Session 4. Flashcards
0
Q
1. Caulking ferrules are generally used as a connection between: A. Lead pipes and cast iron pipe. B. cast iron and brass pipe. C. Brass pipe and copper tube. D. Cast iron and vitrified clay pipe.
A
A. Lead pipes and cast iron pipe.
1
Q
- A full wiped joint is made between 4- inch lead waste pipe and a 4-inch brass ferrule. The minimum dimensions (length and diameter at the thickest part) of this wipe joint shall be most nearly:
A. 1-1/4 inch long x 4-1/4 inch in diameter.
B. 2-inch long x 4-1/2 inch in diameter.
C. 1-1/2 inch long x 4-1/2 inch in diameter.
D. 1-1/2 inch long x 5 inch in diameter.
A
D. 1-1/2 inch long x 5 inch in diameter.
2
Q
3. The type of thread that is used on standard brass pipe (IPS) is known as the : A. ASME B 1.20.1. B. Briggs standard. C. American standard pipe thread form. D. A, B & C.
A
D. A, B & C.
3
Q
4. Caulked joints used in cast iron bell and spigot soil pipe shall be firmly packed with oakum or hemp and filled with molten lead not less than: A. 1-1/4 inches deep. B. 1-1/2 inches deep. C. 3/4 inches deep. D. 1 inch deep.
A
D. 1 inch deep.
4
Q
5. Joints in clay pipe shall be properly made by using: A. Sleeve couplings. B. Hot poured compounds. C. Elastomeric seal. D. Flexible joints.
A
C. Elastomeric seal.
5
Q
- In particular horizontal hot water line expansion joints are set 50 feet apart. This line should be well supported and anchored:
A. At the expansion joints.
B. immediately each side of the expansion joints.
C. Midway between the expansion joints.
D. Eight (8’) feet each side of the expansion joint.
A
A. At the expansion joints.
6
Q
7. In forming of a preformed joint, the joint space shall be most nearly: A. Without jute or hemp. B. 25% filled with jute or hemp. C. 50% filled with jute or hemp. D. 33-1/3% filled with jute or hemp.
A
A. Without jute or hemp.
7
Q
- Which one of the following statements is not correct:
A. Pipe threads shall be, American (national) standard pipe thread form.
B. All burrs shall be removed from pipe and fittings before installation.
C. Pipe joint compound or tape shall be applied only on mail threads.
D. The number of threads per inch on a 2 inch pipe is 11-1/4.
A
D. The number of threads per inch on a 2 inch pipe is 11-1/4.
8
Q
9. Joints in cast iron soil pipes shall be most nearly: A. Mechanical joint coupling. B. compression gasket joints. C. Caulked joints. D. A, B & C.
A
D. A, B & C.
9
Q
- A 15 inch XHCI soil pipe is to be installed. The lad joint shall:
A. A minimum of 2-1/2 inch in depth.
B. molten lead shall be poured in one operation to a depth of not less than 1”.
C. 15 pounds in weight.
D. The lead shall not recede more than 0.25 inch, 1/4 inch.
A
B. molten lead shall be poured in one operation to a depth of not less than 1”.
10
Q
11 joints between copper tube and threaded pipe shall be:
A. Using a brass caulking ferrule.
B. preformed bituminous.
C. Brass adapter fitting or dielectric fitting.
D. Wiped joint.
A
C. Brass adapter fitting or dielectric fitting.
11
Q
12. One approved method of joining cast-iron piping is by caulking, another approved method: A. Compression gasket joints. B. flexible joints. C. Hot poured joints. D. Cement joints
A
A. Compression gasket joints.
12
Q
- Paint is not permitted on the jointing material at a joint in cast iron pipe:
A. At any time.
B. until two days after construction of the joint.
C. Until the entire plumbing installation is complete.
D. Until after the joint has been tested and accepted.
A
D. Until after the joint has been tested and accepted.
13
Q
- The one material that is not permitted to be used for forming joints in concrete sewer pipes:
A. Mechanical joint of the compression type.
B. mechanical joint of the mechanical-seal type.
C. Elastomeric seal conforming to ASTM C 443
D. Cement.
A
D. Cement.
14
Q
- Slip joints in expansion joint:
A. Requires approval from the commissioner.
B. will be permitted.
C. Will be permitted only when non- ferrous piping is used.
D. Requires approval from the board of standard and appeals.
A
B. will be permitted.
15
Q
16. Condensate piping shall be of corrosion-resistant material and shall not be smaller: A. Than 1/8 inch internal diameter. B. than 1/4 inch internal diameter. C. Than 3/8 inch internal diameter. D. Than 3/4 inch internal diameter.
A
D. Than 3/4 inch internal diameter.
16
Q
- Materials approved for the condensate disposal system shall be:
A. Cast iron and galvanized steel.
B. copper, cross-linked polyethylene.
C. Polyethylene, ABS, CPVC or PVC pipe or tubing.
D. A, B & C.
A
D. A, B & C.
17
Q
- Joints the cast-iron pipe and vitrified clay pipe shall be made by:
A. Caulking the vitrified clay pipe into the bell of the cast iron pipe.
B. hot poured bitumastic compound or by a preformed bituminous ring.
C. A mechanical joint of the compression or mechanical sealing type.
D. Soil pipe adapter caulked.
A
C. A mechanical joint of the compression or mechanical sealing type.
18
Q
19. When permitted to be used the composition of 95-5 solder is: A. 95% tin and 5% lead. B. 95% tin and 5% silver. C. 95% tin and 5% copper. D. 95% tin and 5% antimony.
A
D. 95% tin and 5% antimony.
19
Q
20. The one type of joint not permitted for connecting a floor flange to the drainage piping: A. Caulked. B. soldered. C. Wiped. D. Screwed.
A
C. Wiped.
20
Q
- Of the following statements the one which is correct is that the number of threads per inch on a pipe:
A. Increases as the diameter of the pipe increases.
B. decreases as the diameter of the pipe increases.
C. Remains constant of all diameters of pipe.
D. Depends upon the total of thread cut on the pipe.
A
B. decreases as the diameter of the pipe increases.
21
Q
- Which one of the following statements is not correct:
A. Joints in chemical waste glass piping shall be made with adapters having a TFE (Tetra-Fluoro-Ethylene) seal and shall be installed in accordance with the manufacturer’s instruction.
B. glass-to-glass connections shall be made with a bolted compression-type stainless steel (300 series) coupling with contoured acid-resistant elastomeric compression ring and a fluorocarbon polymer inner seal ring.
C. Every lead-caulked joint for hub and spigot soil pipe shall be firmly packed with oakum or hemp and filled with molten lead not less than 1 inch deep and not to extend more than 0.125 inch, 1/8 inch below the rim of the hub.
D. Threads shall conform to ASME B1.20.1.
A
A. Joints in chemical waste glass piping shall be made with adapters having a TFE (Tetra-Fluoro-Ethylene) seal and shall be installed in accordance with the manufacturer’s instruction.
22
Q
23. Welding is permitted on joints for: A. Galvanized iron water pipe. B. cast-iron vent pipes. C. Joints between brass pipe or fittings. D. Wrought-iron drainage piping.
A
C. Joints between brass pipe or fittings.
23
Q
- Joints between cast-iron hub pipe and copper tube shall not be made by:
A. Copper tubing to be soldered to the ferrule in an approved manner.
B. brass ferrule shall be joined to the cast iron hub by a caulked joint.
C. Brass ferrule shall be joined to the cast iron by a mechanical compression joint.
D. Direct caulking.
A
D. Direct caulking.
24
25. Joints in cast-iron pipe to galvanized steel or brass pipe shall be made by:
A. Caulked.
B. Threaded.
C. With an approved adapter fitting. D. A, B & C.
D. A, B & C.
25
26. Which one of the following statements is correct:
A. Connections between drainage piping and water closets shall be made by means of brass flanges that are caulked to the drainage pipe.
B. connections between drainage pipe and earthenware trap standards shall be made by means of brass flanges that are brazed to the drainage pipe.
C. Connections between the drainage pipe and pedestal urinals shall be made by means of a cast iron flange that are screwed to the drainage pipe.
D. Connections between drainage pipe and floor outlet service sinks shall be secured to the floor or floor flanges by screws or bolts.
D. Connections between drainage pipe and floor outlet service sinks shall be secured to the floor or floor flanges by screws or bolts.
26
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27. Joints formed where fixtures come in contact with walls or floors shall be:
A. Made tight.
B. opened for service.
C. Sealed.
D. Suitable.
```
C. Sealed.
27
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28. The required toilet facilities in occupancies other than places of assembly or mercantile shall be located mot more than ... story above or below the employees' working area and the path of travel to such facilities shall not exceed a distance of ... feet:
A. One, 200.
B. Two, 300.
C. One, 400.
D. One, 500.
```
D. One, 500.
28
29. Pipe joint compound should be applied on:
A. The threads of male fitting only.
B. The threads of female fittings only.
C. The threads of both male and female threads.
D. Either male or female threads, depending on the type of fitting.
A. The threads of male fitting only.
29
30. Joints between asbestos-cement pipe or fittings shall be made with a:
A. Approved rubber material.
B. Flexible joint.
C. Sleeve couplings, sealed with elastomeriic.riing.
D expansion joint.
C. Sleeve couplings, sealed with elastomeriic.riing.
30
```
31. When two pieces of 1-1/2 inch waste lead are to be joined together the overall exposed surface of the joint is most nearly:
A. 2-1/2 inches.
B. 2-1/4 inches.
C. 1-1/2 inches.
D. 2 inches.
```
C. 1-1/2 inches.
31
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32. A lead shower pan (6 lb. lead) is to have its edges welded. The minimum thickness of the lead joints is most nearly:
A. 3/8 inch.
B. 3/32 inch.
C. 1/8 inch.
D. 3/16 inch.
```
B. 3/32 inch.
32
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33. The one method that cannot be used for connections between threaded pipe and cast iron pipe:
A. Approved adapter fitting.
B. mechanical joint.
C. Threaded joint.
D. Brazed.
```
D. Brazed.
33
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34. Joints in concrete sewer pipe shall be made of:
A. Flexible joints.
B. cement joints.
C. Concrete joints.
D. Elastomeric seal.
```
D. Elastomeric seal.
34
35. When threads conform to "American National Standard Pipe Thread Form" ASME B1.20.1, the standard would reveal the taper of the taper of the pipe threads to be:
A. The angle between the sides of the thread is 60 degrees when measured in an axial plane.
B. the taper of the thread is 1 in 6 or 0.75 per ft.
C. NTP taper pipe threads are intended to be made up wrench-tight and with a sealant whenever a pressure-tight joint is required.
D. A, B & C.
D. A, B & C.
35
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36. A wiped joint shall have an exposed surface. at least 3/4 inch on each side of the joint and a minimum thickness, at its thickest part:
A. 3/8 inch.
B. 1/4 inch.
C. 1/2 inch.
D. 3/4 inch.
```
A. 3/8 inch.
36
```
37. The minimum depth of a lead joint in a 15-inch XHCI hub is:
A. 1 inch.
B. 2-1/4 inches.
C. 2-1/2 inches.
D. 3.inches.
```
A. 1 inch.
37
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38. Joints between lead and galvanized steel pipes shall be made by means of:
A. Expansion joint.
B. threaded joints.
C. Soldering nipple and a wiped joint.
D. Brazing.
```
C. Soldering nipple and a wiped joint.
38
39. The effect, when vigorous caulking a joint after it has been run with overheated lead:
A. A very hot joint.
B. an acceptable joint.
C. A joint which looks alright, but which may, or may not pass inspection.
D. An unacceptable joint because the lead will crack and chip due to brittleness.
D. An unacceptable joint because the lead will crack and chip due to brittleness.
39
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40. Tin can be used for lining pipes that are exposed to particularly:
A. Hot waters.
B. corrosive waste.
C. High pressure.
D. Hard waters.
```
B. corrosive waste.
40
41. "Cut acid" commonly used as a flux for soldering galvanized iron or iron is made by dissolving in:
A. Vitriolic acid and as much zinc as it will take,
B. muriatic acid and as much zinc as it will take.
C. Caustic soda and as much zinc as it will take.
D. Vitriolic acid and as much lead as it will take.
B. muriatic acid and as much zinc as it will take.
41
```
42. The wrench that is most often recommended when fabricating threaded plastic pipes and fittings::
A. Stillson wrench.
B. strap wrench.
C. Open-end wrench.
D. Torque wrench.
```
B. strap wrench.
42
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43. In the past the United States Department of Commerce published Commercial Standards for Cast iron enameled plumbing fixtures. In accordance with these standards, a slight depression of the enamel surface is defined as:
A. Lump.
B. speck.
C. Dimple.
D. Crack.
```
C. Dimple.
43
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44. Joints between vitrified clay pipe or fittings shall be made with:
A. Caulked joint.
B. elastomeric seal.
C. Cement joint.
D. Hot poured compound.
```
B. elastomeric seal.
44
45. Joints between cast-iron pipe and vitrified clay pipe shall be made by:
A. Caulking the vitrified clay pipe into the b ell of the cast iron pipe.
B. connectors and adapters shall be approved for the application and such joints shall have elastomeric seal.
C. Hot poured bitumastic compound.
D. Cement with a special hardener.
B. connectors and adapters shall be approved for the application and such joints shall have elastomeric seal.
45
```
46. The valve, shown here, is most nearly a:
A. Soldered angle valve.
B. Cast-iron globe valve.
C. Flanged globe valve.
D. screwed globe valve.
---)---|x|---(--- ?
```
B. Cast-iron globe valve.
46
47. The correct procedure in "making up" a threaded pipe joint would bento screw the pipe into the fitting:
A. Until two threads are left exposed on the pipe.
B. a distance equal to the diameter of the pipe.
C. Until no threads are showing on the pipe.
D. A distance equal to twice the length of the fitting thread.
A. Until two threads are left exposed on the pipe.
47
```
48. Two suitable types of joints for pressure piping larger than six inches in diameter:
A. Bell and spigot.
B. welded and flanged.
C. Brazed and caulked.
D. Threaded and soldered.
```
B. welded and flanged.
48
49. Which one of the following statements is most nearly correct?
A. The solubility of tin in potable water is great enough to ultimately cause the breakdown of the public health.
B. On occasion, the solution of copper in potable water (brass piping system) has been found to be as high as 0.2 to 0.3 parts per million.
C. Zinc is sufficiently soluble in potable water to have a slightly injurious effect on the health of the public under unusual conditions.
D. The presences of iron in water in high concentration is desirable because of its health resorting qualities.
C. Zinc is sufficiently soluble in potable water to have a slightly injurious effect on the health of the public under unusual conditions.
49
50. Leadite has been recommended by some authorities for use in bell and spigot joints in cast-iron pipes. When used, it is:
A. Caulked cold with the use of caulking chisels similar to lead wool.
B. Melted and poured like lead.
C. Heavier than lead.
D. Not as elastic as lead.
B. Melted and poured like lead.
50
51. Unions shall conform to the type of piping in which they are installed and shall have ground seats that are: ... ?
Metal to metal.
51
52. Wiped joints in a drainage systems shall not:
A. Joints shall be fully wiped.
B. shall have an exposed surface on each side of the joint not less than 0.75 inch.
C. The joint shall be at least 0.375 in. thick at the thickest point.
D. The composition of the solder shall be at least a minimum of 50% tin.
D. The composition of the solder shall be at least a minimum of 50% tin.
Wiping solder shall be 62% lead and 38% tin.
52
53. Glass pipe joints in chemical waste shall not be made with:
A. Bolted compression-type stainless steel (300 series) coupling with contoured acid-resistant elastomeric compression ring, glass to glass.
B. a fluorocarbon polymer inner seal ring, glass to glass.
C. Acid-resistant rope and acid proof cement shall be permitted in a cast-iron soil pipe hub, glass to cast-iron, or an adapter having a tetra-fluoro-ethylene seal (TFE).
D. The use of an adapter using a high copper content in brass.
D. The use of an adapter using a high copper content in brass.
53
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54. Joints between lead pipe and galvanized fitting shall be made with:
A. Adapter fitting.
B. threaded joint.
C. Soldering nipple or bushing.
D. Caulked joint.
```
C. Soldering nipple or bushing.
54
55. Connections between drain and floor outlet plumbing fixtures shall be made with a: A, B, C, D, E. The floor flanges shall be attached to the drain by: F, G, H, I, J, K. Floor outlet fixtures shall be secured to the: L, M by N, O. Connection between the drain and wall hung water closets shall be made with: P, Q.
```
A. Brass flange.
B. CI flange.
C. Hard lead flange.
D. Plastic flange.
E. galvanized malleable iron flange.
F. Soldered.
G. Caulked.
H. Threaded.
I. Solvent cement.
J. Mechanical joint compression.
K. Mechanical joint compression coupling.
L. Floor.
M. Floor flanges.
N. Screws.
O. Bolts of corrosion resistance material.
P. approved extension nipple.
Q. Horn adapter.
```
55
6. Securing wall-hung water closet bowls shall be supported by a ... that is attached to the building structural members so that ... is not transmitted to the ... or any part of the plumbing system.
Concealed metal carrier.
Strain.
Closet connector.
56
57. Bolting materials used for wall-hung water closets shall be:
A. Steel for studs.
B. steel for nuts.
C. Steel for cap screws and other fasteners.
D. A, B and C.
D. A, B and C.
57
58. Where fixtures come in contact with walls and floors the joints that are formed shall be:
A. Water-tight and sealed.
B. neatly installed in a workmanship like manner.
C. Air-tight and sealed.
D. Approved to the owners satisfaction.
A. Water-tight and sealed.
58
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59. When caulking lead joints in cast iron bell and spigot soil pipe the surface shall not be depressed more than:
A. 1/16" below the rim of the hub.
B. 1/8 below the rim of the hub.
C. 3/16" below the rim of the hub.
D. 1/4" below the rim of the hub.
```
B. 1/8 below the rim of the hub.
59
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60. A "dresser" is most frequently used on :
A. Chrome-plate.
B. brass pipe.
C. Lead pipe and sheet lead.
D. Wrought iron pipe.
```
C. Lead pipe and sheet lead.
60
```
61. Gas piping installed to individual gas ranges shall not be less than:
A. 1.00 inches.
B. 0.75 inches.
C. 0.50 inches.
D. 0.375 inches.
```
B. 0.75 inches.
61
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62. Joints in threadless copper pipe for water supply piping shall be made by:
A. Threading.
B. Soft solder.
C. Brazing.
D. Screwed.
```
C. Brazing.
62
63. Two methods of making a joint between cast iron soil pipe and copper tube shall be:
A, B?
A. Brass ferrule secured to the ferrule.
| B. brass ferrule.
63
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64. Of the following plumbing piping, the one in which "hoarfrost" usually occurs in the :
A. Soil pipe.
B. vent pipe.
C. Waste pipe.
D. Water pipe.
```
B. vent pipe.
64
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65. A small percentage of antimony is introduced into wiping solders to:
A. Improve workability.
B. to increase the plasticity.
C. Give the joint greater strength.
D. Bring out the "spots" in the joint.
```
C. Give the joint greater strength.
65
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66. A full wiped joint is made between 4-inch lead waste pipe and a 4-inch brass ferrule. The minimum dimensions (length and diameter at the thickest part of this wiped joint shall be most nearly:
A. 1-1/4" long x 4-1/4" in diameter.
B. 2" long x 4-1/2" in diameter.
C. 1-1/2" long x 4-1/2"" in diameter.
D. 1-1/2" long x 5 inch in diameter
```
D. 1-1/2" long x 5 inch in diameter
66
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68. The number of threads per inch used on 3/4 inch standard galvanized steel water supply piping is most nearly :
A. 18
B. 14.
C. 11 1/2.
D. 8.
```
B. 14.
67
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67. Caulking ferrules are generally used as a connection between:
A. Lead pipes and cast iron pipes.
B. cast iron and vitrified clay pipe.
C. Cast iron and brass pipe.
D. Brass pipe and copper tubing.
```
A. Lead pipes and cast iron pipes.
68
69. ""The hydraulic and pneumatic phenomena that occur in drainage system are very complicated and, are not amenable to rational analysis. Essentially the problem is to design the system so as to use the smallest pipes that are consistent with rapidly carrying away the wast water from fixtures without clogging the pipes, without producing excessive pressure fluctuation at points where the fixture drains connect to the stack which might reduce the water seals, and without creating undue noise."
In accordance to the above paragraph the word phenomena best defines:
A. Usage
B. happenings.
C criteria.
D. Motion.
B. happenings.
69
70. ""The hydraulic and pneumatic phenomena that occur in drainage system are very complicated and, are not amenable to rational analysis. Essentially the problem is to design the system so as to use the smallest pipes that are consistent with rapidly carrying away the wast water from fixtures without clogging the pipes, without producing excessive pressure fluctuation at points where the fixture drains connect to the stack which might reduce the water seals, and without creating undue noise."
In accordance to the above paragraph the word fluctuations best defines:
A. Compressions.
B. accelerations.
C. Blockages.
D. Waves.
B. accelerations.
70
71. The galvanized malleable iron drainage fitting that is called a "Tucker" connection has:
A. Male threads on one end and female threads on the other end.
B. one end in the form of a hub and female threads on the other end.
C. One end in the form of a hub and male threads on the other end.
D. Each end in the form of a hub.
B. one end in the form of a hub and female threads on the other end.
71
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72. 4 2-inch caulking ferrules, two 3-inch caulking ferrules and one (1) 4-inch caulking ferrule conforming to the minimum requirements of the code, table 705.18, shall have a weight most nearly:
A. 10 lbs.
B. 12 lbs.
C. 8 lbs.
D 18 lbs.
```
A. 10 lbs.
72
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73. When a 3-inch extra-heavy cast-iron stack 57 ft. -5-inch high is filled with water for a water test, the pressure in pounds per square inch at the base of the stack is most nearly:
A. 28.7.
B. 19.4.
C. 13.3.
D. 24.9.
```
D. 24.9.
| 5:12=.4167'. 57.4167x.433=24.861 psi.
73
74. Joints in cast-iron soil pipe shall be:
| A, B, C, D?
A. Compression gasket joints.
B. mechanical joint coupling.
C. Caulked.
D. Threaded.
74
75. Caulked joints for cast-iron soil pipe shall be:
A. Packed with: ...
B. filled with molten lead: ...
C. Lead surface not depressed more than: ...
D. No coating permitted until joint has been: ...
E. lead shall be run in: ...?
```
A. Hemp or oakum.
B. min 1 ".
C. 1/8"".
D. Tested and accepted.
E. one pouring.
```
75
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76. The proper method for joining "TP" copper pipes is most nearly:
A. Brazing.
B. flaring.
C. Threading.
D. Caulking.
```
A. Brazing.
76
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77. Separate drainage systems for chemical waste shall be of acid resistant material when the waste water at any point in the system will have a PH of less than:
A. 2.0
B. 4.5
C. 7.0
D. 9.5?
```
B. 4.5
77
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78. The inside diameter of a three " brass caulking ferrule is:
A. 3-1/2 in.
B. 3-1/4 in.
C. 3-1/8 in.
D. 3 in.
```
B. 3-1/4 in.
78
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79. A contractor bought 16 quarts of cutting oil. On one job 1/4 of the oil was used; on another job 1/6 of the remainder was used and on a third job 1/10 of what was left was used. The number of quarts of oil returned to the shop was most nearly:
A. 8-1/4
B. 9
C. 7
D. 7-1/2.
```
B. 9.
16-16x1/4=12,
12-12x1/6=10,
10-10x1/10=9.
79
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80. The base fitting of the start of the building house drain (to be installed at a grade of 1/4 in. per ft.) is at invert of -8.75 ft. and the invert of the building house trap is at -10.83 ft. The length of this drain line is most nearly:
A. 30 ft.
B. 70 ft.
C. 85 ft.
D. 100 ft.
```
D. 100 ft.
80
61. An objection to an application of tar-coating cast-iron pipes:
A. Reduction to an application of tar-coating cast-iron pipes.
B. possibility of concealing flaws.
C. Not fire-reltarding.
D. Increases frictional resistance to flow of waste water.
B. possibility of concealing flaws.
81
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82. With respect to drainage piping within a structure, the maximum developed length to which leas pipe may be used in connection with any one fixture shall be:
A. 2 ft.
B. 3 ft.
C. 4 ft.
D. 5 ft.
```
D. 5 ft.
82
83. Vitrified clay pipe is an approved material when used to install a:
A. Sanitary building house drain for one and two family dwelling.
B. foundation (subsoil drain pipe) drain.
C. Blow-off discharge-drain.
D. Drain to a septic tank.
B. foundation (subsoil drain pipe) drain.
83
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84. A pipe that has high percentage of silicon is generally used for:
A. Sanitary waste.
B. acid waste.
C. Storm waste.
D. Oil separators.
```
B. acid waste.
84
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85. All joints and connections in the plumbing system shall be:
A. Water tight.
B. air tight and gas tight.
C. Gas tight and water tight.
D. Just tight.
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C. Gas tight and water tight.
85
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86.
The information that a plumber would not normally expect to find on each section of cast-iron pipe delivered from the factory is the:
A. Manufacture's name.
B. weight category.
C. Diameter.
D. Length.
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D. Length.
86
```
87. In the course of doing a specific job it becomes necessary to join a lead bend and brass ferrule together by wiping. The composition of the solder, which is best suited for preparing the brass ferrule (tinning) before wiping is:
A. 60% lead - 40% tin.
B. 50% lead - 50% tin.
C. 66% lead - 34% tin.
D. 33% lead - 67% tin.
```
B. 50% lead - 50% tin.
87
88. A top borer is tool that will be used when making:
A. A water supply connection into the public street main.
B. threads for machine bolt.
C. A hole in a lead pipe.
D. A hole in a street.
C. A hole in a lead pipe.
88
89. After a flushometer valve has been placed in operation, the force which causes it to close automatically is:
A. The return of the lever handle to the neutral position.
B. a flat helical spring above the diaphragm.
C. The water pressure on the outlet side of the valve which is supplied to a space above the relief valve.
D. The springy force in a stainless steel diaphragm.
C. The water pressure on the outlet side of the valve which is supplied to a space above the relief valve.
89
```
90. Which one of the following materials used in building construction is most likely to attack nearly all kinds of piping:
A. Lime stone.
B. cement.
C. Cinder.
D. Plaster.
```
C. Cinder.
90
92. You are working at running and caulking bell and spigot joints on a soil stack. If for any reason the oakum already in a joint should become damp an acceptable thing to do is to:
A. Re-pack the same oakum vigorously.
B. heat the outside lower portion of the bell with a high temperature oxyacetylene welding torch.
C. Pour several tablespoons of cutting oil on top of the caulked oakum, wait a few minutes and then go ahead with the pouring.
D. Reduce the temperature of the lead?
C. Pour several tablespoons of cutting oil on top of the caulked oakum, wait a few minutes and then go ahead with the pouring.
91
92. Of the following statements concerning the use of the wicking on threaded brass joints, the one which is most nearly correct is that this:
A. Eliminates the use of pipe compound.
B. indicates best modern day practice.
C. Strengthens the joint.
D. Suggests possible existence of an imperfect thread.
D. Suggests possible existence of an imperfect thread.
92
```
93. The copper to copper-zinc alloy pipe which is most easily corroded by the combined action 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.
93
94. In brazing a joint, the brazing alloy is applied at a temperature that is most nearly:
A. At the melting temperature of the metal being brazed.
B. Above the melting temperature of the metal being brazed.
C. Below the melting temperature of the metal being brazed.
D. At approximately the plastic temperature range of the alloy.
C. Below the melting temperature of the metal being brazed.
94
95. The flush mechanism in a low-down tank water closet is equipped with a copper float. If this float should become perforated and filled with water the probability:
A. The closet would flush once and then fail to operate.
B. the closet could be continued in use though water would be wasted.
C. The closet could be continued in use for several days without annoyance or waste.
D. The closet could not be used at all.
B. the closet could be continued in use though water would be wasted
95
```
96. To make a rust joint between two pieces of threaded wrought-iron pipe the best thing to use , of the following:
A. Solution of iron filings.
B. bituminous material.
C. Solution of sal-ammoniac.
D. Water glass compound.
```
C. Solution of sal-ammoniac.
96
```
97. Extra-heavy cast-iron pipes are preferred to standard service weight cast-iron pipes for installation in plumbing system because:
A. More acid resistant.
B. back-pressure.
C. Capacity is larger.
D. Easier to install.
```
B. back-pressure.
97
98. On solder joints for type "K" or "L" hard temper copper tubing, when can you use 50-50 solder:
A. On all soil, waste and bent systems.
B. on potable water distribution piping.
C. On hot water heating systems.
D. On soil adapter.
C. On hot water heating systems.
98
99. Joints between asbestos-cement pipe or fittings shall be made with:
A. Sleeve coupling of the same composition as the pipe, sealed with elastomeric compound.
B. Caulked with oakum and poured with lead.
C. Hot poured elastomeric compound.
D. Mechanical joint.
A. Sleeve coupling of the same composition as the pipe, sealed with elastomeric compound.
99
```
100. Soldered joints in type "L" hard temper tubing may be used for alterations of dwellings that are:
A. 5 stories or less.
B. 6 stories or less.
C. 100 feet in height.
D. Any height.
```
D. Any height.
100
```
101. That which is built or constructed or a portion thereof:
A. Bathtub.
B. shower stall.
C. Bathroom toilet stall.
D. Structure.
```
D. Structure.
101
```
102. A drain that collects subsurface water or seepage water and conveys such water to a place of disposal:
A. Storm sewer.
B. storm drain.
C. Subsoil drain.
D. Gravity storm drain.
```
C. Subsoil drain.
102
```
103. A tank or pit that receives clear liquid waste, located below the normal grade of the gravity system and that must be emptied by mechanical means:
A. Sump pump.
B. Sump bent.
C. Sewer ejector.
D. Sump.
```
D. Sump.
103
```
104. An automatic water pump for the removal of drainage, except sewage, from a sump, pit or low point:
A. Sewer ejector.
B. sump waste.
C. Sump pump.
D. Sump vent.
```
C. Sump pump.
104
```
105. A vent from pneumatic sewage ejectors, or similar equipment, that terminates separately to the open air:
A. Sanitary vent.
B. sump vent.
C. Indirect waste pipe.
D. Storm water vent.
```
B. sump vent.
105
```
106. A device for supporting and securing pipe, fixtures and equipment:
A. Expansion bolts.
B. Lead shields.
C. Supports.
D. Toggle bolts.
```
C. Supports.
106
```
107. Any structure, basin, chamber or tank containing an artificial body of water for swimming, diving or recreational bathing having a depth of 2 feet or more at any point:
A. Bathtub.
B. swimming pool.
C. Bidet.
D. Cesspool.
```
B. swimming pool.
107
```
108. Water having a temperature between 85*F (29*C) and 110*F (43*C) is:
A. Cool water.
B. medium hot water.
C. Medium warm water.
D. Tempered water.
```
D. Tempered water.
108
```
109. An approved agency operating a product or material certification system that incorporates initial product testing, assessment and surveillance of a manufacturer's quality control system:
A. Third-party approved.
B. third-party certified.
C. Third-party certification agency.
D. Third-party tested.
```
C. Third-party certification agency.
109
```
110. Certification obtained by the manufacturer indicating that the function and performance characteristics of a product or material have been determined by testing and ongoing surveillance by an approved third-party certification agency. Assertion of certification is in the form of identification in accordance with the requirements of the third-party certification agency.
A. Third-party certification agency.
B. third-party tested.
C. Third-party certified.
D. Third-party approved.
```
C. Third-party certified.
110
```
111. Procedure by which an approved testing laboratory provides documentation that a product, material or system conforms to specified requirements:
A. Third party tested.
B. third party approved.
C. Third party certified.
D. Third party certification.
```
A. Third party tested.
111
```
112. A fitting or device that provides a liquid seal to prevent the emission of sewer gases without materially effecting the flow of sewage or waste water through the:
A. Fitting.
B. Valve.
C. Trap.
D. Seal.
```
C. Trap.
112
```
113. The vertical distance between the weir and the top of the dip of the trap:
A. Trap seal.
B. seal.
C. House trap.
D. Fixture trap.
```
A. Trap seal.
113
```
114. Earth that does not provide a uniform bearing for the barrel of the sewer pipe between the joints at the bottom of the pipe trench:
A. Moveable ground.
B. Unstable ground.
C. Uneven ground.
D. Hilly ground.
```
B. Unstable ground.
114
```
115. Any pressure less than that exerted by thebatmosphere:
A. Plus pressure.
B. Vacuum.
C. Above seanlevel.
D. 14.7 psi.
```
B. Vacuum.
115
```
116. A type of backflow preventer installed on openings subject to normal atmospheric pressurebthat prevents backflow by admitting atmospheric pressure through the ports to the discharge sidebof the device:
A. Backflow preventer.
B. Back water valve.
C. Vacuum breaker.
D. RPZ valve.
```
C. Vacuum breaker.
116
```
117. A vertical vent pipe installed primarily for the purpose of providing circulation of air to and from any part of the drainage system:
A. Stack vent.
B. Vent stack.
C. Vent branch.
D. Bent system.
```
B. Vent stack.
117
```
118. A pipes or pipes installed to provide a flow of air to or from a drainage system, or to provide a flow of air to or from a drainage system, or to provide a circulation of air within such system to protect trap seals from siphonage and backpressure:
A. Vent stack.
B. Stack bent.
C. Vent system.
D. Bent and drainage system.
```
C. Vent system.
118
```
119. Any pipe or fitting that makes an angle of 45* or more with the horizontal:
A. Horizontal pipe.
B. Vertical pipe.
C. 90* turn.
D. 45* turn.
```
B. Vertical pipe.
119
```
120. The discharge from any fixture, appliance, area ornappurtenance that does not contain fecalnmatter:
A. Soil.
B. Waste.
C. Vent.
D. Storm.
```
B. Waste.
120
```
121. A pipe that conveys only waste:
A. Soil pipe.
B. Waste pipe.
C. Water pipe.
D. Sewer pipe.
```
B. Waste pipe.
121
```
122. A device utilized to absorb the pressure surge (watwr hammer) that accures when water flow is suddenly stopped in a water supply system:
A. Surge protector.
B. Capped pipe.
C. Water-hammer arrestor.
D. Water-hammer aid.
```
C. Water-hammer arrestor.
122
```
123. Any heating appliance or equipment that heats potable water and supplies such water to the potable hot water distribution system:
A. Boiler.
B. Boiler heating device.
C. Water heater.
D. Heater.
```
C. Water heater.
123
```
124. A watersupply pipe or system of pipes, installed and maintained by a city, township, public utility company or other public entity, on public properry, in the street or in an approved dedicated easement of public community use:
A. Water main.
B. Water service.
C. Water distribution pipe.
D. Water pipelines.
```
A. Water main.
124
```
125. The discharge opening through which water is supplied tona fixture, into the atmosphere (except into an open tank that is part of the water supply system), to a boiler or heating system, or to any device or equipment requiring waterbto operate but which are not part of the plumbing system:
A. Water inlet.
B. Water outlet.
C. Water pressure.
D. Water pumped.
```
B. Water outlet.
125
```
126. A pipe within the structure or on the premises that conveys water from the wter service pipe, or from the meter when the meter is at the structure, to the points of utilization:
A. Well water pipe.
B. Water serbice pipe.
C. Main waterbpipe b
D. Water distribution pipe.
```
D. Water distribution pipe.
126
```
127. The pipe from the water main or other source ofnpotablenwaterbsupply, orbfrom thebmeter when the meter is at the public right of way, to the water distribution system of the building serbed:
A. Water distribution system.
B. Main water pipe.
C. Water serving pipe.
D. Water service pipe.
```
D. Water service pipe.
127
```
128. Water service pipe, water distribution pipes, and the necessary connecting pipes, fittings, control valves and all appurtenances in or adjacent to the structure or premises:
A. Water distribution system.
B. Main service pipe.
C. Water serbice pipe.
D. Water supplybsystem.
```
D. Water supplybsystem.
128
```
129. A well constructed by boring a hole in the ground with an augerbandbinstalling a casing:
A. Drilled well.
B. Driven well.
C. Bored well.
D. Dug well.
```
C. Bored well.
129
```
130. A well constructed by making a hole in the ground with a ding machine of any type and installing casingnand screen:
A. Bored well.
B. Driven well.
C. Drilled well.
D. Dug well.
```
C. Drilled well.
130
```
131. A well constructed by driving a pipe in the ground. The driven pipe is usually fitted with a well point and screen:
A. Bored well.
B. Drilled well.
C. Driven well.
D. Dug well.
```
C. Driven well.
131
```
132. A plumbing appliance consisting of a bathtub fixture that is equipped andfitted with a circulating piping system designed to accept, circulate and discharge bathtub waterbupon each use, shall conform to ASME a112.19.7M-1995:
A. Bathtub.
B. Steam and bathtub.
C. Whirlpool bathtub.
D. Hot-tub.
```
C. Whirlpool bathtub.
132
```
133. A piping connecting upward from a soil or waste stack to a vent stack for thebpurpose of preventing pressure changes in the stacks:
A. Relief vent.
B. Branch vent.
C. Loop vent.
D. Yoke vent.
```
D. Yoke vent.
133
134. Plumbing shall be installed with due regard to the preservation of the strength of structural members and:
A. Prevention of damage to walls and other surfaces through fixture usage.
B. The need of all fixtures.
C. The wholesome of their use.
D. The cost of such fixtue.
A. Prevention of damage to walls and other surfaces through fixture usage.
134
135. All plumbing fixtures, (except the indirect waste system), drains, appurtenances and appliances used to receve or discharge liquid wastes orbsewage shall be:
A. Indirectly connected to the sanitary drainagebsystem ofnthenbuilding premises.
B. Directly connected to the sanitary drainage system of the building ornpremises.
C. Designed to use as many fixtures and fittings as necessary.
D. Installed without 90 degree turns.
B. Directly connected to the sanitary drainage system of the building ornpremises.
135
136. Every plumbing fixture, device or appliance requiring orbusing water for its operation shall be:
A. Directly connected to the water supply system in accordance with the provisions of this code.
B. Indirectly connected to the water supply system in accordance with the probisions of this code.
C. A & B above.
D. Improperly connected thereto.
C. A & B above.
136
137. Unless otherwise specified, the pipe, tube and fitting sizes specified in this code are expressed in:
A. Outside diameter.
B. Nominal or standard sizes as designated.
C. Wall thickness.
D. Marerial.
B. Nominal or standard sizes as designated.
137
138. Plumbing systems shall notnbe located in:
A. Cellars.
B. Basements.
C. Occupied premises.
D. Ambelevator shaft or in an elevator equipment room.
D. Ambelevator shaft or in an elevator equipment room.
138
139. Sump pumps and floor drains indirectly connected to the plumbing system in elevator shafts or elevator equipment rooms shall:
A. Not be permitted.
B. Be permitted at the base of the shaft.
C. Be permitted at any floor level.
D. Never be permitted.
B. Be permitted at the base of the shaft.
139
140. Where conflict between this code and the coditions of the listing or the manufacturer's installation instructions occur:
A. They may be used.
B. The manufacturer's provisions shall apply.
C. Depending on the interpretation. D. The provisions of this code apply.
D. The provisions of this code apply.
140
```
141. Where a code provision is less restrictive than thebconditions of theblisting of the equipmentborbappliance or thebmanufacturer's installation instructions, the conditions of the listing and the manufacturer's installation instructions:
A. Shall not apply.
B. Code conditions shall apply.
C. The lesser restriction shall apply.
D. Shall apply.
```
D. Shall apply.
141
142. The following materials which are notndetrimental or dangerous may be deposited into the building drainage orbsewerbsystem:
A. Oil or grease.
B. Flammable, poisonous, or explosive liquids or gas.
C. Ashes, cinders or rags.
D. Fecal, urine, soda and milk.
D. Fecal, urine, soda and milk.
142
143. Wast products from manufacturing or industrial operations shall not be introduced into the public sewer until itnhas been determined that thebintroduction thereof will notndamage the public sewer by which department:
A. Department of buildings.
B. Departmentnof transportatiom.
C. Department of health.
D. City department of environment protection.
D. City department of environment protection.
143
```
144. Each length of pipe and each pipe fitting, trap, fixture, material and device utilized in plumbing system shall bear the identification of the:
A. Manufacture.
B. Country of origin.
C. UL number.
D. Supply house.
```
A. Manufacture.
144
```
145. All materials shall be installed in ... Accordance with the standards under which thebmaterials are accepted and approved:!
A. Liberal.
B. Consrvative.
C. Stroct.
D. Non-strict.
```
C. Stroct.
145
146. Wherebpermitted by thisbcode, plastic pipe, fittings and components shall be:
A. Approved by NYC Department of buildings.
B. Third-party certified.
C. Third-party approved.
D. Third-party classified.
B. Third-party certified.
146
```
147. In or on structures where openings have been made in walls,!floors or cellings for the passage of popes, such openings shall be closed and protected in an approved manner for:
A. Rodent proofing.
B. Animal entry.
C. Eavesdropping.
D. Security.
```
A. Rodent proofing.
147
```
148. All strainer plates or drain inlets shall be designed and installed so that all openings are not greater than:
A. 0.25" or 1/4" in least dimension.
B. 0.50" or 1/2" in least dimension.
C. 1.00" or 1" in least dimension.
D. 2.00" or 2" in least dimension.
```
in least dimension.
148
```
149. In or on structures where openings have been made in walls, floors orncellings for passage of pipes, such openings shall be closed and protected:
A. By caulking with aokum and cement.
B. By caulking with oakum and lead.
C. By using metal collars.
D. In an approved manner.
```
D. In an approved manner.
149
150. Pipes passing through concrete or cinder walls and floors or other corrosive material shall be:
A. Protected against external corrosion.
B. Protected against internal corrosion.
C. Color coded.
D. Painted.
A. Protected against external corrosion.
