Session 3. Flashcards
0
Q
1. Two pieces of 1-1/2 inch waste lead was to be joined together. The total thickness of the joint (solder) and lead at its widest is most nearly: A. 1-3/4 in. B. 2-1/4 in. C. 2 in. D. 2-3/4 in ?
A
D. 2-3/4 in.
1-1/2+ 2x1/8+2x1/8+2x3/8=2-3/4 in
Where 3/8 in. wiping beed thickness.
1
Q
- The primary purpose for plumbing pipes when passing through an arch, or pipe sleeve, or under a lintel, or through or under walls:
A. To provide accessibility for replacement of the pipes.
B. to protect against corrosion of the pipes.
C. To protect from breakage of the pipes.
D. To provide room for expansion of the pipes?
A
C. To protect from breakage of the pipes.
2
Q
- The primary purpose for using protective sheathing or wrapping when passing through concrete, cinder or other similar materials:
A. To withstand any reaction (corrosion) from the lime and acid of the concrete.
B. allow for expansion and contraction.
C. To prevent any rubbing action.
D. A,B &C.
A
D. A,B &C.
3
Q
4. The minimum inside diameter of a four (4") inch caulking ferrule is most nearly: A. 4 in. B. 4-1/4 in. C. 4-3/8 in. D. 4-1/2 in?
A
B. 4-1/4 in.
It fit lead pipe: 4+2x1/8=4-1/4”.
4
Q
- The one part of a plumbing system where copper or copper alloy tubing (type K,L) is not permitted is:
A. Underground building drainage and vent pipe.
B. above-ground drainage and vent pipe.
C. Building sewer pipe.
D. Chemical wast system.
A
D. Chemical wast system.
5
Q
6. The minimum weight percentage of antimony required in a lead alloy water closet floor flange is most nearly: A. 5-5/8%. B. 7-3/4%. C. 11-1/2%. D. 9-3/8%?
A
B. 7-3/4%.
6
Q
7. In any borough (except Manhattan), building (house) sewer shall be a minimum size of: A. 4 in. B. 5 in. C. 6 in. D. 8 in.
A
C. 6 in.
7
Q
- In a 5-story multiple dwelling, approved plastic piping shall not be installed for:
A. Drainage, above ground.
B. drainage, below ground within buildings.
C. Building house sewers.
D. Indirect waste piping.
A
C. Building house sewers.
8
Q
9. Cleanout plugs shall be of brass and have a minimum thickness of at least: A. 1/16 in. B. 1/8 in. C. 3/16 in. D. 1/4 in?
A
B. 1/8 in.
9
Q
- It is necessary to install a section of water distribution piping underground. The one material that shall not be used is most nearly:
A. Copper or copper-alloy pipe.
B. copper or copper-alloy tubing (type K,L).
C. Stainless steel pipe (type 304, 304L).
D. Galvanized wrought iron.
A
D. Galvanized wrought iron.
10
Q
11. The minimum outside diameter of a 4-inch lead bend is most nearly: A. 4 in. B. 4-1/8 in. C. 4-1/4 in. D. 4-3/4 in?
A
C. 4-1/4 in.
4+2x1/8=4-1/4”.
11
Q
- A 1-inch water pipe is to be installed crosswise to wooden joists. The best location to cut the joists is most nearly:
A. More than 1.5 inches from the nearest edge of the member.
B. center of joists, halfway between support.
C. Top of joists, halfway between supports.
D. Bottom middle of joists?
A
B. center of joists, halfway between support.
12
Q
- Piping for underground building drainage and vent pipe shall be:
A - F?
A
A. Cast-iron pipe.
B. copper or copper-alloy tubing (type K, L).
C. Ductile iron.
D. Non-asbestos fiber cement.
E. Polyvinyl chloride (PVC) plastic pipe in IPS diameters.
F. Stainless steel drainage systems.
13
Q
- Piping for above-ground drainage and vent pipe shall be:
A - L?
A
A. Acrylonitrile butadiene styrene (ABS) plastic pipe in IPS diameters. B. brass pipe. C. Cast-iron pipe. D. Copper or copper-alloy pipe. E. copper or copper-alloy tubing (type K, L). F. Ductile iron. G. Galvanized steel pipe. H. Glass pipe. I. High silicon cast iron. J. Polyolefin pipe. K. PVC plastic pipe. L. Stainless steel drainage systems.
14
Q
15. A four (4") inch lead bend that is 30 inches long meeting the minimum requirements, weights most nearly: A. 24 lbs. B. 20 lbs. C. 16 lbs. D. 12 lbs. ?
A
B. 20 lbs.
weight in pounds = (2x diameter)xLength in feet =
2x4x30/12 = 20 lbs.
15
Q
16. The minimum depth of cast-iron floor flange shall be most nearly: A. 2-1/2 in. B. 3-1/2 in. C. 3 in. D. 2 in.
A
D. 2 in.
16
Q
17. A lead shower pan having the minimum weight requirements is to have its edges welded with ears forming its corners. The minimum thickness of the lead joint is most nearly: A. 1/16 in. B. 1/4 in. C. 1/8 in. D 3/16 in.
A
D 3/16 in.
17
Q
18. Lead should not be used as a material for: A. Roof flashing. B. shower base. C. Water piping. D. Caulking.
A
C. Water piping.
18
Q
19. A pipe that has a high percentage of sillicon is generally used for: A. Oil separation system. B. Acis waste system. C. Sub-soil drainage. D. Swimming pools?
A
B. Acis waste system.
19
Q
- A material that shall not be used for vent puping in a chemical waste system is:
A. Low expansion, borosilicate glass pipe.
B. Extea heavy cast iron soil pipe.
C. Approved plastic pipe.
D. Chemical stoneware pipe?
A
B. Extea heavy cast iron soil pipe.
20
Q
21. A shower pan, with ears forming the corners, has the dimensions 30"x30"x3", the minimum weight of sheet copper usednfornthisnpan is most nearly: A. 5-3/4 pounds. B. 4-3/4 pounds. C. 8 pounds. D. 6-1/2 pounds.
A
C. 8 pounds.
36x36x.75/144=8 lbs.
21
Q
22. An equivalent discount of 30%,12%, and 5% is most nearly: A. 31.5%. B. 53.0%. C. 41.5%. D. 58.5%?
A
C. 41.5%.
ED=.7x.88x.95-1.00=0.4148
0.4148x100%=41.5%.
22
Q
23. A standard screwed malleable fitting arenusually designed to withstand internal pressures of most nearly: A. 100 psi. B. 125 psi. C. 150 psi. D. 250 psi?
A
C. 150 psi.
23
Q
24. If a sheet copper pan fitted into a shower that measures 12 square feet, the minimum total weight of the sheet copper, allowed by code, is most nearly: A. 6 lbs. B. 9 lbs. C. 12 lbs. D. 48 lbs?
A
B. 9 lbs.
12x 75=9 lbs.
24
```
25. A sheet lead shower pan is to be used on an altertion job. It is to be 3 square feet and have 4 inch up-stand. The minimum weight when completed and readyfor installation is most nearly:
A. 50 lbs.
B. 54 lbs.
C. 58 lbs.
D. 62 lbs?
```
B. 54 lbs.
| 44"x44" /144x4 = 52.52 lbs.
25
```
26. The USA gauge of flush pipe and fittings when brass or copper tubing is used, most nearly:
A. #22.
B. #20.
C. #24.
D. #18.
```
A. #22.
26
```
27. When open trenches are impractical, pipes may be installed by tunneling, jacking or a combination of both and are acceptable to the:
A. Commissioner.
B. Licensed plumber.
C. Owner.
D. Prime contractor.
```
A. Commissioner.
27
```
28. Threaded cast-iron drainage fittings shall be most nearly:
A. Galvanized and recessed.
B. Galvanized but need not be recessed.
C. Recessed but need not be galvanized.
D. Neither recessed or galvanized.
```
C. Recessed but need not be galvanized.
28
```
29. Cast brass floor flange for water closets or similar fixtures shall be not less then:
A. 1/8 inch thick.
B. 3/16 inch thick.
C. 1/4 inch thick.
D. 3/8 inch thick.
```
A. 1/8 inch thick.
29
```
30. Theee shower pans are to be installed on a particular job. They are to be rectangular in shape, 3'-0" x 3'-6", and to have 4" up-stand with the ends "eared over". If sheet lead cost 30 cents per pound, the cost of the three shower pans will be most nearly:
A. $18.50.
B. $55.00.
C. 38.00.
D. $46.00.
```
B. $55.00.
| 44x50x3/144x4x.3=$55.
30
31. The installation of drainage street fittings are:
A. Permitted with commissioners' permission.
B. Permitted as it conforms to screwed drainage specifications.
C. Not prrmitted as it restricts the flow.
D. Permitted only where there are space limitations.
B. Permitted as it conforms to screwed drainage specifications.
31
```
32. Approved plastic pipe and fittings may be used in residential buildings that have a heightbofbless than:
A. 7 stories.
B. 6 stories.
C. 5 stories.
D. 4 stories.
```
B. 6 stories.
32
```
33. The minimum thickness of cast iron or galvanized malleable iron floor flanges is:
A. 3/16".
B. 3/8".
C. 1/4".
D. 1/2".
```
C. 1/4".
33
34. Trench shall be free from discarded construction material and debris. Loose earth free from rocks, broken concrete and frozen chunks shall be placed in the trench in 6 inch layers and tamped in place untol:
A. 12 inches above the invert of the pipenof tamped earth.
B. 6 inches above the invert of the pipenofntampednearth.
C. 12 inches above the centerline of the pipe of tamped earth.
D. The crown of the pipe is covered byn12 inches of tamped earth.
D. The crown of the pipe is covered byn12 inches of tamped earth.
34
```
35. Separate drainage systems for chemical waste shall be of an acidnresistant material, and is notnrequired, when the ph value of the waste is between:
A. 4.0 and 9.0.
B. 4.5 and 9.6.
C. 4.5 and 9.5.
D. 4.0 and 9.5.
```
C. 4.5 and 9.5.
35
```
36. Coating pipes with a varnish is most likely to:
A. Reduce the heat loss from the pipes.
B. Protect against external corrosion.
C. Protect against galvanic action.
D. Reduce the possibility ofnleaks.
```
B. Protect against external corrosion.
36
```
37. Trenches shall be backfilled of tamped earth for one foot above the crown of the pipe in layers that are in :
A. 6 in.
B. 4 in.
C. 3 in.
D. 2 in.
```
A. 6 in.
37
```
38. The minimum weight of six 2-inch caulking ferres, twelwe 3-inch caulking ferrules and ten 4-inch caulking ferrules weighs most nearly:
A. 48 lbs.
B. 52 lbs.
C. 60 lbs.
D. 64 lbs.
```
B. 52 lbs.
| 6x1+12x1.75+12x2.5 = 52 lbs.
38
```
39. Four 2-inch caulking ferrules, two 3-inch caulking ferrules and one 4-inch caulking ferrulenconforming to the minimum requirements of the code shall have a weight of most nearly:
A. 10 lbs.
B. 12 lbs.
C. 8 lbs.
D. 18 lbs.
```
A. 10 lbs.
39
40. A material not permitted to be installed for sub-soil drainage piping:
A. Open-jointed vitrified clay pipe.
B. Asbestos cement pipe that is open jointed or horizontally split.
C. Porous concrete pipe.
D. Stainless steel drainage systems.
B. Asbestos cement pipe that is open jointed or horizontally split.
40
41.. The one material that shall not be used in water distribution piping systems:
A. Brass pipe ASTM B 43.
B. Stainless steel pipe (Type 304/304L).
C. Copper orncopper-alloy pipe ASTM B 42; ASTM B 302.
D. Galvanized iron pipe ANSI B36.20.
D. Galvanized iron pipe ANSI B36.20.
41
```
42. The outside diameter of 2" lead waste pipe is most nearly:
A. 2-1/2 in.
B. 2-1/4 in.
C. 2-1/8 in.
D. 2 in.
```
B. 2-1/4 in.
| 2+1/8+1/8=2-1/4".
42
```
43. If a sheet lead pan fitted into a shower stall measures 12 sq. ft. , the minimum total weight of this most nearly:
A. 24 lbs.
B. 36 lbs.
C. 48 lbs.
D. 60 lbs.
```
C. 48 lbs.
43
44. The one material not permitted to be used in water service piping in a building under any condition is:
A. Red brass pipe ASTM B 43.
B. copper or copper-alloy tubing (type K);
C. Copper or copper-alloy tubing (Type L).
D. Ductile iron water pipe.
C. Copper or copper-alloy tubing (Type L).
44
```
45. Lead bends have the same thickness as sheet lead that has a weight per square foot, of most nearly:
A. 4 lb.
B. 5 lb.
C. 6 lb.
D. 8 lb.
```
D. 8 lb.
45
46. Copper tubing Type K and L may not be used for:
A. Above ground drainage and vent pipe.
B. Underground building drainage and vent pipe.
C. Building sewer pipe.
D. Sub-soil drain pipe.
D. Sub-soil drain pipe.
46
47. Escutcheons orbmetal collars are installed around exposednpipes passing through walls and floors to:
A. To prevent teavel of pests along the pipes.
B. To permit expansion and contraction of the pipes.
C. To improve the appearance of the pipes.
D. To absorb the vibration of pipes.
A. To prevent teavel of pests along the pipes.
47
48. A lundry tub is to be branch vented to the existing vent system. If a 1-1/2 inch lead pipenis to be used for the branch vent:
A. The maximum developed length permitted is 15 ft.
B. The maximum developednlength permitted is 5 ft.
C. The maximum debeloped length permitted is 2 ft.
D. It is notnpermitted.
D. It is notnpermitted.
48
49. The one material that shall notnbe permittednto be used for the installation of underground building storm sewer piping between two catch basins is:
A. High density poluethylene pipe (hdpe).
B. Ductile-iron pipe.
C. Non-asbestos fiber cement pipe.
D. Hard temper "K" copper pipe.
D. Hard temper "K" copper pipe.
49
50. A three-inch diameter cold waterbdistribution pipe is to be installed underground. The one material not approved fornthisbtype ofninstallation is:
A. Stainless steel pipe (type 304/304L).
B. Copper or copper alloy tubing (type L).
C. Copper or copper alloy tubing (type K).
D. Brass pipe (60/40 composition).
D. Brass pipe (60/40 composition).
50
```
51. In the installation of a building sewetva permitnfornsidewalknand street openings shall be obtained from the deparent of :
A. Buildings.
B. Public works.
C. Transportation.
D. Police.
```
C. Transportation.
51
52. "Any pipe that passes under a footing or through a foundation wall shall be provided with a relieving arch, or a pipe sleeve, pipe shall be two pipe sizes greater than the pipe passing through the wall."
The above staent will protect the pipe against:
A. External corrosion.
B. Freezing.
C. Cabe-ins.
D. Breakage.
D. Breakage.
52
```
53. The instrument most generally used to obtain the pressure in a natural gas line to gas ranges is most nearly:
A. Mercury gauge.
B. Manometer.
C. Bourdon gauge.
D. Pressuretrol.
```
B. Manometer.
| C. Bourdon gauge.
53
```
54. A flaw in cast iron enameled plumbing fixtures is a slight depression in the enameled surface. This flaw is defined as a:
A. Craze.
B. Bubble.
C. Dimple.
D. Speck.
```
C. Dimple.
54
```
55. There is 160 feetnofnstorm water piping between catch basins. One catch basin is as dat -1.57 ft. , and the slope of rhe storm pipe is 2%. The datum point of the downsteeam catch basin is most nearly:
A. -4.90 ft.
B. -1.57.
C. +1.76.
D. -3.33.
```
```
A. -4.90 ft.
TF = LxG = 160 x .02 = 3.2'.
TF = 160x1/4 =40"=3.33'.
1.57+3.2=4.77'.
1.57+3.33=4.9'.
```
55
```
56. In a closet tank excessive water pressure can cause a rupture, but excessive waterbtemperature can cause:
A. Scalding.
B. "Banging" in the pipes.
C. Tank collapsing.
D. An explosion.
```
D. An explosion.
56
```
57. Before assembling rigid copper tubing, to be soft soldered, the external surfaces shall be made bright and coated with a solder flux which contains most nearly:
A. Tallow.
B. Sal ammoniac (Ammonium chloride).
C. Rosin.
D. Borax.
```
B. Sal ammoniac (Ammonium
57
```
58. If the hand operated shut-off valve in a waterblinenis turned to the fully closed position, and water continues to flow through the valve, the most likely defect you would find is:
A. Loose gland.
B. Excessive packing.
C. Improper seating of the valve disc.
D. A loose stuffing nut.
```
C. Improper seating of the valve disc.
58
```
59. An estimate of $6,600 was submitted for a plumbing contract. The plumbers' profit ratio was 20% of costs. What is the plumbers' profit on this wstimate:
A. $6,600.
B. $5,500.
C. $1,100.
D. $1,050.
```
C. $1,100.
| 6,600/1.2=5,500 5,500x.2=1,100.
59
60. By the "invert" of a horizontal building drain means the:
A. Top of the inside surface of the pipe.
B. Centerline of the inside diameter of the pipe.
C. Lowest portion or the bottom of the inside surface od the pipe.
D. Lowest portion of the outside surface of the pipe.
C. Lowest portion or the bottom of the inside surface od the pipe.
60
```
61. A slug waterbcompletely fills the stack. The cause for a fixture below the slug of water to lose its trap seal is:
A. Self-siphonage.
B. Back-pressure.
C. Momentum.
D. Aspiration.
```
B. Back-pressure.
61
62. The best way to prevent a water pocket from forming when two horizontal steam pipes of different diameters are joined is:
A. Use an eccentric fitting.
B. Use a long fitting so that the slope between the pope is verybgradual.
C. Rovide a drain cock.
D. Slope the pipe so that the smaller pipe is lower.
A. Use an eccentric fitting.
62
63. The acceptor's responsibility - the purpose of commercial standards is to establish for specific commoities, nationally recognized grades or consumer croteria and the benefits there from will be measurable in direct proportion to their general recognition and actial use. Instances will occur when it may be necessary to diviate from the standard and the signing of an acceptance does not preclude such departtures; however, such signature indicates an intention to follow the commercial standard where practical, in the production, distribution, or consumption of the article in question.
The word preclude as used in this paragraph means most nearly:
A. Permit.
B. Allow.
C. Include
D. Prevent.
D. Prevent.
63
64. The acceptor's responsibility - the purpose of commercial standards is to establish for specific commoities, nationally recognized grades or consumer croteria and the benefits there from will be measurable in direct proportion to their general recognition and actial use. Instances will occur when it may be necessary to diviate from the standard and the signing of an acceptance does not preclude such departtures; however, such signature indicates an intention to follow the commercial standard where practical, in the production, distribution, or consumption of the article in question.
The word intention as used in thisbparagraph means most nearly:
A. Agreement.
B. Impulse.
C. Objection.
D. Obstinate.
A. Agreement.
64
65. The acceptor's responsibility - the purpose of commercial standards is to establish for specific commoities, nationally recognized grades or consumer croteria and the benefits there from will be measurable in direct proportion to their general recognition and actial use. Instances will occur when it may be necessary to diviate from the standard and the signing of an acceptance does not preclude such departtures; however, such signature indicates an intention to follow the commercial standard where practical, in the production, distribution, or consumption of the article in question.
The word recognized as used in this paragraph means most nearly:
A. Desirable.
B. Stable.
C. Branded.
D. Accepted.
D. Accepted.
65
66. The acceptor's responsibility - the purpose of commercial standards is to establish for specific commoities, nationally recognized grades or consumer croteria and the benefits there from will be measurable in direct proportion to their general recognition and actial use. Instances will occur when it may be necessary to diviate from the standard and the signing of an acceptance does not preclude such departtures; however, such signature indicates an intention to follow the commercial standard where practical, in the production, distribution, or consumption of the article in question.
The word criteria as used in this paragraph means most nearly:
The acceptor's responsibility - the purpose of commercial standards is to establish for specific commoities, nationally recognized grades or consumer croteria and the benefits there from will be measurable in direct proportion to their general recognition and actial use. Instances will occur when it may be necessary to diviate from the standard and the signing of an acceptance does not preclude such departtures; however, such signature indicates an intention to follow the commercial standard where practical, in the production, distribution, or consumption of the article in question.
C. Usage.
D. Costs.
B. Standards.
66
```
67. When a fixture trap is ser greater than two (2') feet below its fixture outlet, the trap may lose the water seal due to:
A. Self-siohonage.
B. Momentum.
C. Back-pressure.
D. Evaporation.
```
B. Momentum.
67
68. Siphonage may result in a hot water storage tank when the waterbservice pipe is:
A. Under excessive water pressure.
B. Shut off and a faucet on the supply line is opened in the basement.
C. Tapped for mixture with the hot water circulation line.
D. Oversized and excessive in length.
B. Shut off and a faucet on the supply line is opened in the basement.
68
```
69. Trisodium phosphate (TSP) when used before a joint is brazed, is to primarily:
A. Remove surface scale.
B. Prevent oxide from forming.
C. Flux the surface.
D. Remove oil or grease.
```
B. Prevent oxide from forming.
69
```
70. A hot water storage tank is 24 inches in diameter and 10 feet in length its capacity, in gallons, is most nearly:
A. 180.
B. 240.
C. 300.
D. 360.
```
B. 240.
| .7854xDxDxHx7.48=235 gal.
70
```
71. The copper or copper-zinc alloy pipe which is most easily corroded by the combined actin of oxygen, and carbon dioxide in the water is:
A. Copper pipe.
B. Yellow brass pipe.
C. Bronze pipe.
D. Red brass pipe.
```
B. Yellow brass pipe.
71
72. Which one of the following statements is not correct:
A. Aspiration of a trap. Sea can occure when a slug of water completely fills the stack above the branch opening.
B. Water hammer is caused by the sudden closing of a valve.
C. Galvanized steel pipes will tend to corrode more rapidly when used for cold water lines than for hot water lines
D. The gas pressure in gas pipes is greater at the top of the line that at the base of the line.
D. The gas pressure in gas pipes is greater at the top of the line that at the base of the line.
72
73. Bare wrought iron, black steel pipe or galvanized steel pipe when laid in a cinder filled cellar floor. The probable result of running these lines in this manner is that:
A. The lines will tend to corrode.
B. A protective oxide coating will form on these lines.
C. The lines will last just as long if they were lid in dry clean sand.
D. A protective scale coating will form on these lines.
A. The lines will tend to corrode.
73
74. PC table 702.3, states that the ductile iron building sewer pipe shall conform to the Referenced Standard specification of AWWA C151. If you wish to secure a copy of these specifications you should write to the:
A. Federal specification (FS), 1941 Jefferson Davis Highway, Suite 04, Arlington, VA 22202.
B. National Sanitation Foundation (NSF), 789 Dixboro Rd.
C. American Water Works Association (AWWA), 6666 West Quincy Ave., Denver, CO 80235.
D. InternationalAssociation of Plumbing and Mechanical Officials, 5001 E. Philadelphia St. Ontario, CA 91761.
C. American Water Works Association (AWWA), 6666 West
74
```
75. The rate of discharge from a "fixture unit" is approximately:
A. 7.5 cubic feet per minute.
B. 1 cubic foot per minute.
C. 1 gallon per minute.
D. One cubic foot per second.
```
B. 1 cubic foot per minute.
75
76. The one material that shall not be used in underground building drainage and vent pipe is :
A. Cast-iron pipe.
B. copper or copper alloy tubing (K,L).
C. Vitrified clay pipe.
D. Polyethylene (corrugated 12" and larger).
C. Vitrified clay pipe.
76
77. Water service piping outside of the properly line shall comply with the requirements of:
A. Department of buildings.
B. Department of environmental protection.
C. Department of health.
D. Department of health.
B. Department of environmental protection.
77
78. In private dwelling (less than 6 stories), the only material not permitted for underground building drainage and vent pipe is:
A. Stainless steel drainage systems, type 3161.
B. Cast-iron pipe.
C. Non-asbestos fiber cement pipe.
D. Concrete pipe.
D. Concrete pipe.
78
```
79. When piping is to be installed in a trench and rock is encountered in trenching, the rock shall be removed to a minimum of 3 inches below the installation level of the bottom of the pipe, and the trench shall be backfilled to the installation level of the bottom of the pipe with sand and tamped in place so as to provide uniform load-bearing support for the pipe between the joints. The pipe, including the joints, shall not rest on rock at any point. The main reason for this is to:
A. Provide a bed for creosoted planks.
B. prevent damage to the pipe.
C. Increase the pitch of the pipe.
D. Provide a bed of sand.
```
B. prevent damage to the pipe.
79
80. Cleanout plugs when used in exposed or accessible locations may be of:
A. Brass cleanout plugs shall be utilized with metallic drain, waste and vent piping only and shall conform to ASTM A 74, ASME A112.3.1.
B. Plastic cleanout plugs shall be approved for installation with the piping material installed and shall conform to the respected pipe standards or one of the standards listed in table 702.4.
C. Cleanout plugs with borosilicate glass systems shall be of borosilicate glass.
D. A,B & C.
D. A,B & C.
80
```
81. Abbreviation used in the Referenced standards chapter shall refer to the following organizations:
A. ANSI.
B ASME.
C. ASSE.
D. ASTM.
E. AWS.
F. AWWA.
G. CISPI.
H. CSA.
I. FS.
J. JAPMO.
K. NFPA.
L. NSF.
M. PDI.
```
A. ANSI - american national standards institute.
B. ASME - american society of mechanical engineers.
C. ASSE - american society of sanitary engineering.
D. ASTM - american society for testing and materials.
E. AWS - american welding society.
F. AWWA - american water works association.
G. CISPI - cast iron soil pipe institute.
H. CSA - canadian standards association.
I. FS -
J. IAPMO - international association of plumbing and mechanical officials.
K. NFPA - national fire protection association.
L. NSF -
M. PDI - plumbing and drainage institute.
81
82. In rock excavation the material that shall be removed, the best answer is :
A. Rock shall be removed to a minimum of 3".
B. Rock shall be removed to a minimum of 3" to 6".
C. Rock shall be removed to a maximum of 3".
D. Rock shall be removed to a maximum of 6".
A. Rock shall be removed to a minimum of 3".
82
```
83. Sheet lead is to be used that conforms to the minimum weight permitted for lead pans. The minimum thickness of this lead is:
A. 1/8 in.
B. 1/16 in.
C. 3/32 in.
D. 1/4 in.
```
B. 1/16 in.
83
```
84. If sheet copper that is used for general applications (i.e., shower pans) shall conform to ASTM B 152 and not weigh less than 12 ounces per square foot or .75 pounds; then what is the minimum requirement for sheet copper utilized for flush tank linings that shall conform to ASTM B 152:
A. 8 ounces per square foot.
B. 10 ounces per square foot.
C. 12 ounces per square foot.
D. 14 ounces per square foot.
```
B. 10 ounces per square foot.
84
```
85. If lead traps and lead bends shall be not less than 1/8" thick and weight 8 lbs per square foot, and sheet lead for and shall not weight less than 4 pounds per square foot, 1/16" thick, and sheet lead for vent flashings, field construction, shall weight not less 3 pounds per square foot 3/64" thick, then what is the minimum weight for sheet lead when its prefabricated for flashing:
A. 8 lbs/sq. ft.
B. 4 lbs./sq. ft.
C. 3 lbs. /sq. ft.
D. 2.5 lbs. /sq. ft.
```
D. 2.5 lbs. /sq. ft.
85
86. What is the minimum weight of sheet copper used for bent pipe flashings, and it shall conform to ASTM B 152:
A. 8 ounces per square foot for vent pipe flashings.
B. 10 ounces per square foot for vent pipe flashings.
C. 12 ounces per square foot for vent pipe flashings.
D. 14 ounces per square foot for vent pipe flashings.
A. 8 ounces per square foot for vent pipe flashings.
86
```
87. Tubular brass traps are generally known as:
A. "P" bends.
B. "J" bends.
C. 1/2 "S" bends.
D. "U" bends.
```
B. "J" bends.
87
```
88. The one material to be placed above the pipes when backfilling trenches is nearly:
A. Clean medium stones.
B. loose earth free from rocks.
C. Broken concrete.
D. Clean loose cinder fill.
```
B. loose earth free from rocks.
88
```
89. Eight 2-1/2 inch soldering bushings, eight 3 inch soldering bushings and eight 4 inch soldering bushings have a total weight of most nearly:
A. 35 lbs.
B. 40 lbs.
C 50 lbs.
D. 55 lbs.
```
D. 55 lbs.
89
```
90. Portable wood stepladder longer than:
A. 10 feet shall not be supplied.
B. 20 feet shall not be supplied.
C. 25 feet shall not be supplied.
D. 30 feet shall not be supplied.
```
B. 20 feet shall not be supplied.
90
91. Tee branching on copper tubing, the process of making tee branches on copper tubing can be accomplished by using special tools to drill and form a collar for branch outlets on copper tubing. The branch tube is inserted into the outlet and:
A. Soldered using a minimum 95/5 solder.
B. welded.
C. Brazed.
D. A or C.
C. Brazed.
91
93. The term feasibility of connecting to an available public sewer, shall not mean:
A. The sewer is of adequate capacity to receive all sewage flowing from the building.
B. the building is in adequate physical condition to receive such sewage.
C. The sewer is located in the same drainage area as all or most of the lot or track of land on which the building is located.
D. The elevation of the sewer in relation to the lot or track of land on which the building is located is such that the conveyance of the sewage from the building to the sewer is impractical.
D. The elevation of the sewer in relation to the lot or track of land on which the building is located is such that the conveyance of the sewage from the building to the sewer is impractical.
92
```
92. The term ABS used in piping materials approved for above- ground drainage and vent systems shall mean:
A. American business standards.
B. american standard institute.
C. Acrylonitrile butadiene styrene.
D. Polyvinyl chloride plastic pipe.
```
C. Acrylonitrile butadiene styrene.
93
```
94. When public sewers are made available to premises with individual on site private systems, such private sewage disposal system shall be abandoned in a manner prescribed by the commissioner, and the owner shall connect the building house sewer to the available public sawer within ... Of the date of notification that the sewer has been accepted. To receive flow by the agency or agencies having jurisdiction:
A. Six months.
B. 1 year.
C. 18 months.
D. 2 years.
```
A. Six months.
94
95. All abandonment of existing sewers shall be securely sealed at a point:
A. Outside the curb line and as close thereto as practical.
B. inside the curb line as close thereto as practical.
C inside the curb line and at least 2 feet there from.
D. At the curb line and as close thereto as practical.
B. inside the curb line as close thereto as practical.
95
96. Exposed soil or waste piping shall not be installed above:
A. Any bedroom area in residential buildings.
B. any healthcare facilities.
C. Any working, storage or eating surfaces in food surface establishments.
D. Any working area of any type.
C. Any working, storage or eating surfaces in food surface establishments.
96
```
97. Plastic pipe may be used:
A. In all buildings.
B. in all residential buildings.
C. All condominiums.
D. In residential buildings five stories or les in height.
```
D. In residential buildings five stories or les in height.
97
```
98. When converting feet to meters you must multiply by a conversion factor:
A. 105'Pa.
B. 0.0689 bar.
C. 0.3048 m.
D. 25.4 mm
```
C. 0.3048 m.
98
```
99. New York City building codes are based on the international codes, for the building code, Plumbing code, Mechanical code, and the Fuel gas codes what year is it designed on:
A. 2009.
B. 2008.
C. 2006.
D 2003.
```
D 2003.
99
```
100. The term solder;'a non-ferrous metal or metal alloy used, when melted, to join metal surfaces. Its melting temperature is below:
A. 450*F.
B. 500*F.
C. 71:0*F.
D. 840*F.
```
D. 840*F.
100
```
101. A drainage pipe for conveying storm water from a roof or gutter drains to an approved means of disposal:
A. Leader.
B. stack.
C. Main.
D. Riser.
```
A. Leader.
101
```
102. A vertical pipe to which connections are made from the fixture side of traps and through which vapor or foul air is removed from the fixture or device utilized on bedpan washers.:
A. Vent stack.
B. local vent stack.
C. Riser.
D. Stack vented.
```
B. local vent stack.
102
```
103. An assembly consisting of a water closet and sump with a macerating pump that is designed to collect, grind and pump waste from the water closet and up to two other fixtures connected to the sump:
A. Sewer ejector.
B. pneumatic ejector.
C. Macerating toilet system.
D. Sump pump system.
```
C. Macerating toilet system.
103
```
104. The principal artery to which branches are connected:
A. Service pipe.
B. flared joint.
C. Putty joint.
D. Glued joint.
```
D. Glued joint.
104
```
105. A connection between pipes, fittings, or pipes and fittings that is not screwed, caulked, threaded soldered, solvent cemented, brazed or welded. A joint in which compression is applied along the centerline of the pieces being joined. In some applications, the joint is part of a coupling, fitting or adapter:
A. Mechanical joint.
B. flared joint.
C. Putty joint.
D. Glued joint.
```
A. Mechanical joint.
105
```
106. The complete system to convey medical gases for direct patient application from central supply systems (bulk tanks, manifolds, and medical air compressors), with pressure and operating controls, alarm warning systems, related components and piping networks extending to station outlet valves at patient use points:
A. Gas system.
B. medical gas system.
C. Medical vacuum systems.
D. Hospital system.
```
B. medical gas system.
106
```
107. A system consisting of central-vacuum-producing equipment with pressure and operating controls, shut off valves, alarm-warning systems, gauges and a network of piping extending to and terminating with suitable station inlets at locations where patient suction may be required:
A. Medical gas system.
B. medical vacuum systems.
C. Vacuum system.
D. Gas system.
```
B. medical vacuum systems.
107
```
108. Water not safe for drinking, personal or culinary utilization:
A. Potable water.
B. non-potable water.
C. Putrid water.
Purified water.
```
B. non-potable water.
108
```
109. The purpose for which a building or portion thereof is utilized or occupied:
A. C of O.
B. occupancy.
C. Zoned.
D. Residential.
```
B. occupancy.
109
```
110. A combination of approved bends that makes two changes in direction bringing one section of the pipe out of line but into line parallel with the other section:
A. Parallel lines.
B. offset.
C. Return lines.
D. Changes of direction.
```
B. offset.
110
```
111. Outside the structure:
A. Open air.
B. fresh air.
C above the roof.
D. driveway.
```
A. Open air.
111
```
112. A practice, materials and fixtures utilized in the installation, maintenance, extension and alteration of all piping, fixtures, plumbing appliances, plumbing appurtenances, gas piping and limited fire protection as defined in section 28-201.3, within or adjacent to any structure, in connection with sanitary drainage or storm drainage facilities, venting systems; and public or private water supply systems:
A. Plumbing.
B. pipe fitter work.
C. Fire suppression.
D. Maintenance Plb.
```
A. Plumbing.
112
```
113. Any one of a special class of a plumbing fixtures intended to perform a special function. Included are fixtures having the operation or control dependent on one or more energized components, such as motors, controls, heating, elements, or pressure-or-temperature-sensing elements. Such as manually adjusted or controlled by the owner or operator, or are operated automatically through one or more of the following actions:! a time cycle, a temperature range, a pressure range, a measured volume or weight:
A. Plumbing appliance.
B. plumbing
C. Plumbing appurtenance.
D. Plumbing fixture.
```
A. Plumbing appliance.
113
```
114. A manufactured device, prefabricated assembly or an on-the-job assembly of components parts that is an adjunct to the basic piping system and plumbing fixtures. An appurtenance demands no additional water and does not add any discharge load to a fixture or to the drainage system:
A. Plumbing.
B. plumbing appliance.
C. Plumbing appurtenance.
D. Plumbing fixture.
```
C. Plumbing appurtenance.
114
```
115. A receptacle or a device that is either permanently or temporarily connected to the water distribution system of the premises and demands a supply of water therefrom; discharges waste water, liquid-borne waste materials or sewage either directly or indirectly to the drainage system of the premises; or requires both a water supply connection and a discharge to the drainage system of the premises:
A. Plumbing appliance.
B. plumbing appurtenance.
C. Plumbing fixture
D. Plumbing system.
```
C. Plumbing fixture
115
```
116. Includes the water supply and distribution pipes; plumbing fixtures and traps; water-treating or water using equipment; soil, wast and vent pipes; and sanitary storm sewers and building drains; in addition to their respective connections, devices and appurtenances within a structure or premises:
A. Plumbing appliances.
B. plumbing appurtenance
C. Plumbing fixture.
D. Plumbing system.
```
D. Plumbing system.
116
117. Water free from impurities resent in the amounts sufficient to cause disease or harmful physiological effects and conforming to the bacteriological and chemical quality requirements of the public health service drinking water standards or the regulations of the public health authority having jurisdiction:
A. Non-potable water.
B. water not used for human consumption.
C. Water that when drank will cause ill effects.
D. Potable water.
D. Potable water.
117
```
118. In classification of plumbing fixtures, "..." applies to fixtures in residences and apartments, and to fixtures in nonpublic toilet rooms of hotels and motels and similar installations in buildings where the plumbing fixtures are intended for utilization by a family or an individual:
A. Private.
B. public.
C. Non-private.
D. Toilets used for theater goers.
```
A. Private.
118
```
119. In the classification of plumbing fixtures, "..." Applies to fixtures in general toilet rooms of schools, gymnasiums, hotels, airports, bus and railroad stations, public buildings, bars, public comfort stations, office buildings, stadiums, stores, restaurants and other installations where a number of fixtures are installed so that their utilization is similarly unrestricted:
A. Private.
B. public or public utilization.
C. non-public.
D. Toilets in residential homes.
C.
```
B. public or public utilization.
119
```
120. A water supply for public utilization controlled by public authority:
A. Private water main.
B. a water distribution piping system.
C. Public water main.
D. Water main.
```
C. Public water main.
120
121. A valve or faucet that closes automatically when released manually or that is controlled by a mechanical means for fast-action closing:
A. Manually closed valves.
B. quick-closing valve.
C. Slow-closing valve.
D. A valve that takes 10 seconds to close.
B. quick-closing valve.
121
```
122. That which enables a fixture, appliance or equipment to be directly reached without requiring the removal or movement of any panel, door or similar obstruction and without the use of a portable ladder, step stool or similar device:
A. Ready access.
B. non-accessible.
C. Un-accessible.
D. Access not readily accessible.
```
A. Ready access.
122
123. A backflow prevention device consisting of two independently acting check valves, internally forced-loaded to a normally closed position and separated by an intermediate chamber (or zone) in which.there is an automatic relief means of venting to the atmosphere, internally loaded to a normally opened position between two tightly closing shutoff valves and with a means for testing for tightness of the checks and opening of the relief means:
A. Double check valve with two gate valves.
B. pressure temperature and relief valve.
C. Double pressure temperature and relief valve.
D. Reduced pressure principle backflow preventer.
D. Reduced pressure principle backflow preventer.
123
```
124. An architect or engineers defined in section 28-101.5 of the plumbing code, NYC:
A. Registered.
B. graduate engineer.
C. Graduate architect.
D. Registered design professional.
```
D. Registered design professional.
124
```
125. A pressure-actuated valve held close by a spring or other means and designed to relieve pressure automatically at the pressure at which such valve is set:
A. Check valve.
B. backwater valve.
C. Pressure relief valve
D. T&P valve.
```
C. Pressure relief valve
125
126. A combination relief valve designed to function as both a temperature relief and a pressure relief valve:
A. Temperature relief valve.
B. pressure relief valve.
C. Temperature and pressure relief (T&P) valve
D. Altitude, pressure and temperature relief valve.
C. Temperature and pressure relief (T&P) valve
126
127. A temperature-actuated valve designed to discharge automatically at the temperature at which such valve is set:
A. Pressure and temperature relief valve.
B. temperature relief valve.
C. Pressure valve.
D. Flushometer valve.
B. temperature relief valve.
127
```
128. A vent whose primary function is to provide circulation of air between drainage and vent systems:
A. Waste pipe.
B. soil pipe.
C. Vent through roof.
D. Relief vent.
```
D. Relief vent.
128
```
129. An unobstructed open edge of a fixture:
A. Fixture overflow.
B. overflow pipe in a roof tank.
C. Fixture splash back.
D. Rim.
```
D. Rim.
129
```
130. A water supply pipe that extends one full story or more to convey water to branches or to a group of fixtures:
A. Branch.
B. water supply pipe.
C. Riser.
D. Croten.
```
C. Riser.
130
```
131. A drain installed to receive water collecting on the surface of a roof and to discharge such water into a leader or conductor:
A. Area drain.
B. roof drain.
C. Surface drain.
D. Zipper drain.
```
B. roof drain.
131
```
132. Parts of a plumbing system that are installed prior to the installation of fixtures. This includes drainage, water supply, vent piping and the necessary fixture supports and any fixtures that are built into the structure:
A. Rough-in-out.
B. rough-in.
C. Underground.
D. Finish or final.
```
B. rough-in.
132
```
133. A faucet containing a valve that automatically closes upon deactivation of the opening:
A. Manual-closing faucet.
B. self-closing faucet.
C. Semi-manual closing faucet.
D. Any shower body.
```
B. self-closing faucet.
133
```
134. Any liquid waste containing animal or vegetable matter in suspension or solution, including liquids containing chemicals in solution:
A. Waste water.
B. soil pipe.
C. Sewage.
D. Silt pump.
```
C. Sewage.
134
```
135. Mechanical device used to pump or eject sewer:
A. Sump pump.
B. foot pump.
C. Sewage ejector.
D. Silt pump
```
C. Sewage ejector.
135
```
136. A common sewer directly controlled by public authority:
A. Public sewer.
B. private sewer.
C. City sewer.
D. State sewer.
```
A. Public sewer.
136
```
137. A sewer that carries sewage and excludes storm, surface and ground water:
A. Sanitary sewer.
B. storm sewer.
C. Public sewer.
D. Combination.
```
A. Sanitary sewer.
137
```
138. A sewer that conveys rainwater, surface water, subsurface water and similar liquid waste:
A. Public sewer.
B. storm sewer.
C. Private sewer.
D. Combination.
```
B. storm sewer.
138
139. The fall (pitch) of a line of pipe in reference to a horizontal plane. In drainage, the slope is expressed as the fall in units vertical per units horizontal (percent) for a length of pipe ( inch per feet):
A. Rise. B offset. C. Advance. D. Slope.
D. Slope.
139
```
140. A pipe that conveys sewage containing fecal matter to the building drain or building sewer:
A. Soil pipe.
B. waste pipe.
C. Stack.
D. Sewage line.
```
A. Soil pipe.
140
```
141. A general term for any line of soil, waste, vent or inside conductor piping that extends through at least one story with or without offsets:
A. Stack vent.
B. stack.
C. Soil stack.
D. Leader.
```
B. stack.
141
```
142. The extension of a soil or waste stack above the highest horizontal drain connected to the stack:
A. Stack.
B. soil stack.
C. Stack vent.
D. Waste stack.
```
C. Stack vent.
142
```
143. A method of venting a fixture or fixtures through the soil or waste stack:
A. Stack.
B. soil vent.
C. Stack vent.
D. Stack venting.
```
D. Stack venting.
143
```
144. A ... Is a fixture of non-pressure type utilizes for boiling instruments, utensils or other equipment for disinfection. These devices are portable or are connected to the plumbing system:
A. Boiling-type sterilizer.
B. instrument-type sterilizer.
C. Utensil-type sterilizer.
D. Water-type sterilizer.
```
A. Boiling-type sterilizer.
144
```
145. A device for sterilization of various instruments:
A. Instrument sterilizer.
B. pressure (autoclave).
C. Water-type sterilizer.
D. Utensil sterilizer.
```
A. Instrument sterilizer.
145
146. A pressure vessel fixture designed to utilize steam under pressure for sterilization:
A. Boiling type sterilizer.
B. pressure (autoclave).
C. Pressure instrument washer sterilizer.
D. Utensil sterilizer.
B. pressure (autoclave).
146
147. A ... Is a pressure vessel fixture designed to both wash and sterilize instruments during the operating cycle of the fixture:
A. Boiling type sterilizer.
B. pressure (autoclave).
C. Instrument sterilizer.
D. Pressure instrument washer sterilizer.
D. Pressure instrument washer sterilizer.
147
```
148. A device for sterilization of utensils as utilized in health care services:
A. Instrument sterilizer.
B. utensil sterilizer.
C. Water sterilizer.
D. Boiling type sterilizer.
```
B. utensil sterilizer.
148
```
149. A device for sterilizing water and storing sterile water:
A. Water sterilizer.
B. instrument sterilizer.
C. Utensil sterilizer.
D. Instrument (autoclave) sterilizer.
```
A. Water sterilizer.
149
```
150. A separate pipe or stack, indirectly connected to the building drainage system at the lower terminal, that receives the vapors from non-pressure sterilizers and conducts the vapor directly to the open air. Also called vapor, steam, atmospheric or exhaust vent:
A. Vent pipe.
B. local vent.
C. Steam vent.
D. Sterilizer vent.
```
D. Sterilizer vent.
150
```
151. An impairment of the quality of the potable water that creates an actual hazard to the public health through poisoning or through the spread of disease by sewage, industrial fluids or waste:
A. High bacteria potable water.
B. waste water.
C. Hazardous bacteria.
D. Contamination.
```
D. Contamination.
151
```
152. A waste from two or more fixtures on one trap. Distance between trap and fixture outlet should not exceed 30 inches, this type of installation is called:
A. Continuous waste.
B. dual waste.
C. Combined waste.
D. Combination waste.
```
A. Continuous waste.
152
```
153. A branch leading from a soil, waste or vent pipe; a building drain; or a building sewer, and terminating at a developed length of 2 feet or more by means of a plug, cap or other closed fitting:
A. Continuous waste.
B. dead end.
C. Plugged end.
D. Capped end.
```
B. dead end.
153
```
154. An elevation (height) reference point that determines the minimum height a backflow preventer or vacuum breaker is installed above the flood level rim of the fixture or receptor served by the device. The ... Is elevation level below which there is a potential for backflow to occur. If the ... Marking is not indicated on the device, the bottom of the device shall constitute the:
A. Water mark.
B. air gap.
C. Air break.
D. Critical level (C-L).
```
D. Critical level (C-L).
154
```
155. Any physical connection or arrangement between two otherwise separate piping systems, one of which contains potable water and the other either of unknown or questionable safety or steam, gas or chemical, whereby there exists the possibility for flow from one system to the other, with the direction of flow depending on the pressure differential between the two systems is called:
A. Siphonic action.
B. contamination.
C. Noxious.
D. Cross connection.
```
D. Cross connection.
155
```
156. The depth of the water that would have to be removed from a full trap before air could pass through the trap is called the:
A. The width of the water seal.
B. the length of the water seal.
C. A seal that is real deep.
D. Depth of water seal.
```
D. Depth of water seal.
156
```
157. The elevation of the "design flood" including wave height, relative to the datum specified on the city's legal designated flood hazard map is called the:
A. Flood design.
B. elevated storm water.
C. Flood hazard height.
D. Design flood elevation.
```
D. Design flood elevation.
157
```
158. The length of a pipeline measured along the centerline of the pipe and fittings is called:
A. Developed pipeline.
B. measured pipeline.
C. End-to-end measurements.
D. Developed length.
```
D. Developed length.
158
```
159. A pipe that conveys the discharges from plumbing fixtures or appliances:
A. Water pipe.
B. discharge pipe.
C. Receiving pipe.
D. Used pipe.
```
B. discharge pipe.
159
```
160. Any pipe that carries waste water or water-borne waste in a building drainage system:
A. Drain.
B. pipe.
C. Water.
D. Vent.
```
A. Drain.
160
```
161. Type of fitting or fittings utilized in the drainage systems:
A. Drainage fittings.
B. pressure fittings.
C. Soil fittings.
D. Non- pressure fittings.
```
A. Drainage fittings.
161
```
162. A measure of the probable discharge into the drainage system by various types of plumbing fixtures. The drainage ... Value for a particular fixture depends on its volume rate of drainage discharge, on the time duration of a single drainage operation and on the average time between successive operations:
A. Fixture unit (DFU).
B. gallons per hour.
C. Gallons per minute.
D. 15 gallons per minute.
```
A. Fixture unit (DFU).
162
```
163. Piping within a public or private premise that conveys sewage, rainwater, or other liquid wastes to appoint of disposal. A drainage system does not include the main of a public sewer system or a private or public sewage treatment or disposal plant:
A. Drainage system.
B. venting system.
C. Water distribution system.
D. Gas system.
```
A. Drainage system.
163
164. A drainage system that drains by gravity into the building sewer:
A. Sewage ejector drainage system.
B. sump pump drainage system.
C. Controlled flow drainage system. D. Building gravity drainage system.
D. Building gravity drainage system.
164
```
165. A drainage system that carries sewage and excludes storm, surface and ground water:
A. Sewage ejector.
B. sump pump.
C. Controlled flow.
D. Sanitary.
```
D. Sanitary.
165
```
166. A drainage system that carries rainwater, surface water, subsurface water and similar liquid waste:
A. Building gravity.
B. sanitary.
C. Storm.
D. Force fed.
```
C. Storm.
166
```
167. The minimum cross sectional area at the point of water supply discharge, measured or expressed in terms of the diameter of a circle or. If the opening is not circular, the diameter of a circle of equivalent cross- sectional area. For faucets and similar fittings, the effective opening shall be measured at the smallest orifice in the fitting body or in the supply to the fitting:
A. Orifice opening.
B. weir of the spout.
C. Effective opening.
D. Maximum flow.
```
C. Effective opening.
167
```
168. The floor drain that does not receive the discharge of any drain or indirect waste pipe, and that protects against damage from accidental spills, fixture overflows and leakage:
A. Floor drain.
B. useful drain.
C. Emergency floor drain.
D. Quick drain.
```
C. Emergency floor drain.
168
169. Fluids having a Gosselin rating of 1, including propylene glycol; mineral oil; polydimethylsiloxance; hydrochlorofluorocarbon; chlorofluorocarbon and carbon refrigerants; and FDA-approved boiler water additives for steam boilers are:
A. Essentially toxic transfer fluids.
B. essentially nontoxic transfer fluids.
C. Toxic transfer fluids.
D. Essentially extremely toxic transfer fluids.
B. essentially nontoxic transfer fluids.
169
170. Soil wast or gray water and fluids having a Gosselin rating* of 2or more including ethylene glycol, hydrocarbon oils, ammonia refrigerants and hydrazine:
A. Essentially toxic transfer fluids.
B. essentially nontoxic transfer fluids.
C. Toxic transfer fluids.
D. Essentially extremely toxic transfer fluids.
A. Essentially toxic transfer fluids.
170
```
171. Any plumbing system regulated by this code that was legally installed prior to the effective date of this code, or for which a permit to install has been issued:
A. Past installations.
B. future installations.
C. Existing installations.
D. Present installations.
```
C. Existing installations.
171
```
172. A valve end of a water pipe through which water is drawn from or held within the pipe:
A. Outlet pipe.
B. faucet.
C. Orifice.
D. Weir of pipe.
```
B. faucet.
172
```
173. A water supply valve, opened or closed by means of a float or similar device, utilized to supply water to a tank. An anti siphon fill valve contains an anti siphon device in the form of an approved air gap or vacuum breaker that is an integral part of the fill valve unit and that is positioned on the discharge side of the water supply control valve:
A. Drain valve.
B. gate valve.
C. Fill valve.
D. Siphon valve.
```
C. Fill valve.
173
```
174. A drain serving two or more fixtures that discharges to another drain or to a stack:
A. Common branch.
B. house drain.
C. Fixture branch.
D. Lateral line.
```
C. Fixture branch.
174
```
175. The drain from the trap of a fixture to a junction with any other drain pipe:
A. Fixture branch.
B. fixture outlet.
C. Fixture waste.
D. Fixture drain.
```
D. Fixture drain.
