topic 1 and 2 FOR PRELIMS

Question 1

• the art and technique of installing pipes, fixtures, and other apparatuses in buildings for bringing in the supply of liquids, substances and/or ingredients and removing them; and such
• water, liquid and other carried wastes hazardous to health, sanitation, life and property; also the
• pipes and fixtures after installation i.e., the ‘plumbing system

Answer 1

P l u m b i n g

Question 2

Receptacles which are used to provide, receive and discharge water, liquid and water-carried wastes into a drainage system with which they are connected to

Answer 2

Plumbing Fixtures

Question 3

Classifications of plumbing fixtures: (3)

Answer 3

• soil
• scullery
• bathing

Question 4

Classifications of plumbing fixtures: SOIL (3)

Answer 4

• Water Closets
• Urinals
• Slop Sinks

Question 5

Classifications of plumbing fixtures: SCULLERY (3)

Answer 5

• Kitchen Sinks
• Laundry Tubs
• Bar Sinks

Question 6

Classifications of plumbing fixtures: BATHING (7)

Answer 6

• Lavatories
• Bathtubs
• Shower Baths
• Bidets
• Foot/Sitz Tub
• Shower Receptors
• Shower Compartments

Question 7

Water closet center to side wall: minimum of ()
** Water closet** center to WC center: minimum of ()

Answer 7

0.375 m
0.75 m

Question 8

According to Flushing Action:
* Flushes through a simple wash down action
* Discharges waste into a trapway located at the front of the bowl
* Has a bulge on the front
* Has a small amount of standing water
* Cost less but is least efficient and noisiest

soil fixtures

Answer 8

Wash down

Question 9

ACCORDING TO FLUSHING ACTION

Flushes through a siphon
action created in the trapway

soil fixtures

Answer 9

Reverse Trap

Question 10

ACCORDING TO FLUSHING ACTION

• has a larger trapway making it less likely to clog
• Quieter flushing action
• Retains a large amount of standing water

soil fixtures

Answer 10

siphon jet

Question 11

ACCORDING TO FLUSHING ACTION

• Less noisy and very efficient
• Flushing action is started by a whirlpool motion followed by a complete flush down
• Retains a large amount of standing water

soil fixtures

Answer 11

Siphon Vortex

Question 12

ACCORDING TO FLUSHING ACTION

Flushing action is obtained directly from a flush valve connected into the bowl

Answer 12

Direct Flush Valve

Question 13

Other Types of Water Closets

Answer 13

squat type
washout

Question 14

Types of urinals (4)

Answer 14

• Wall Hung
• Pedestal
• Through
• Stall

Question 15

Urinal center to side wall : minimum of ()
Urinal center to urinal center: minimum of ()

Answer 15

0.30 m
0.60 m

Question 16

Flushing urinals shall be done through automatic flushing tanks. (code)

Answer 16

NPC 408.1

Question 17

Flushometer valves shall be self-closing type discharging a predetermined quantity of water. No manually controlled
flushometer valve shall be used to flush group urinals. (code)

Answer 17

NPC 408.2

Question 18

kitchen sinks materials: (3)

Answer 18

• Stainless Steel
• Cast Iron Enamel
• Formed Steel Coated with Porcelain Enamel

Question 19

laundry tubs materials: (2)

Answer 19

• Cement or Cement with Tiles
• Porcelain

Question 20

Where janitors clean & leave their mops

Answer 20

slop sinks

Question 21

lavatiries types: (4)

Answer 21

• Pedestal
• Pullman or Counter
• Wall Hung
• Through

Question 22

• with removable panel of sufficient dimension to access pump
• circulation pump shall be located above the crown weir of the trap
• pump and circulation piping shall be self draining

Answer 22

WHIRLPOOL BATHS

Question 23

Brand Name of luxury type bathtubs

Answer 23

jacuzzis

Question 24

• Used for cleaning private parts
• Sometimes referred to as female urinals

Answer 24

bidets

Question 25

**Bidet center** to **side wall:** minimum of () **Bidet center** to **bidet center:** minimum of ()

Answer 25

0.375 m 0.75 m

Question 26

* With **approved-type hinged strainer plate** having the **sum of the areas of the small holes** of the waterway equal to the cross sectional area of the tailpiece * Provided with integrally cast water stop outside flange around the body at mid depth and with an inside caulk outlet to provide a watertight joint in the floor

Answer 26

floor drains

Question 27

* Receptor floor shall drain **not less than 2% or more than 4% slope.** * Thresholds shall accommodate a minimum **559 mm** wide door. * For wheelchair use, dam or curb may be eliminated.

Answer 27

shower receptors

Question 28

* **Metal enclosure containing shower head, valves and faucets** * Shall have a minimum interior area of 0.6 sqm and shall be capable of encompassing a 762 mm diameter circle. * This area shall be maintained from a point above the shower drain to a height of 1.78 m with no protrusions other than the fixture valve, shower head and safety grab rails. * Drains for gang shower rooms shall be spaced not more than 4.9 m apart

Answer 28

SHOWER BATHS/ COMPARTMENTS

Question 29

Considerations in choosing materials: (4)

Answer 29

* **Quality and durability.** * **Resistance** to external and internal contact with **foreign matters.** * **Resistance to acid waste** and other chemical elements that will pass into it. * **Cost of materials and labor.**