Weekly Test 2

IAPMO

Joints for hubless cast iron soil pipe and fittings shall conform to appropriate _____ installation standards. (Hint: RNPCP, Chapter 13)

3

WSFU of a private hose bibb (Hint: RNPCP, Chapter 6)

120°F or 48.88 °C

WSFU of a private hose bibb (Hint: RNPCP, C.4)

50

1 Laundry Tray must be provided per ____ persons. (Hint: RNPCP, C.4)

60 FU

How many fixture units is equivalent to a 30 gpm-rated sump? (Hint: RNPCP: C.7)

8

Threads per inch of a 64 mm cleanout size (Hint: RNPCP, C.7)

6 FU

Clotheswashers in groups of 3 or more shall be rated at _____ each for the common horiontal and vertical waste pipe sizing. (Hint: RNPCP, C.7)

11

Water Closet provision for 300 females in Assembly Places for Public Use (Hint: RNPCP, C.4)

1033 kpa

Each pressure relief valve shall be an approved automatic type with drain and set at a pressure not more than _____.  (Hint: RNPCP, C.6)

plumbing fixtures are installed

Every building where _____ shall have a sewer service connection to a public or private sewer systems. (Hint: RNPCP, C.3)

90 degrees

Changes in direction of drainage piping shall be made by the use of approved pipe fittings like the following, except for _____. (Hint: RNPCP, C.3)

14

Threads per inch for pipe size of 13 mm diameter. (Source: engineeringtoolbox.com)

135°

An additional cleanout shall be provided on a horizontal line with an aggregate offset angle of direction exceeding _____. (Hint: RNPCP, C.6)

38 mm

Trap arm size of Laundry Tub (Hint: RNPCP: C.7)

Silver Brazing

Medical gas piping is most often joined by _____. 

305 mm

A double check valve backflow preventer requires _____ minimum clearance at the bottom for maintenance. (Hint: RNPCP, C.6)

61 m

The public sewer may be considered not being available when a sewer is located more than _____ from any proposed building or exterior drainage facility. (RNPCP, C.12)

1”

Linings for showers shall not be nailed or perforated at any point less than _____ above the finished dam or threshold. (Hint: RNPCP. C.4)

Bitumen

Voids between pipes and sleeves through concrete floors in the ground shall be appropriately sealed with _____. (Hint: RNPCP, C.3)

Convection

The transference of heat by the upward movement of a warm light air current.

Atmospheric Vacuum Breaker

Backflow prevention device for a hose bibb (Hint: RNPCP, C.6)

last valve; 152 mm

AVBs of inlets to tanks, vats, sumps shall be installed in the discharge side of the _____ with the critical level not less than _____ above flood level rim. (Hint: RNPCP, C.6)

2"-9"

What is the allowed depth of shower dam or threshold? (Hint: RNPCP, C.4)

150 mm above ground

Galvanized wrought iron or galvanized steel pipe shall be kept _____. (Hint: RNPCP, C.9)

300 mm below ground

Vitrified clay pipes must be kept (Hint: RNPCP, C.9)

80 psi or 551 kpa

A pressure regulator must be installed if the local water service pressure is above ____ (Source: RNPCP, Chapter 7)

Atmospheric Vacuum Breaker

Consists of a body, a checking member, and an atmospheric opening. (Source: RNPCP, Chapter 6)

0.2%

Potable water shall use solders and fluxes with a lead content not exceeding _____.  (Source: RNPCP, Chapter 13)

Decrease in DFU loading

What will happen if a drainage piping is placed at slope of 10mm/m due to structural conditions? (Source: RNPCP, Chapter 7)

Black Steel Pipe

Preferred pipe for transporting gas

Galvanized Pipe

suitable for water supply in old houses

Concrete pipe

suitable for sanitary, storm sewers, and culverts

Cast Iron Soil Pipe

suitable for drainage

bitumastic coating

Copper tubing shall be fully externally protected with a/an _____ and fiberglass wrapping installed inside a split rigid casing whenever installed underground. (Source: RNPCP, Chapter 6)

1/2” or 13 mm

Hanger rod size for 5" to 8” pipe size (Source: Uniform Plumbing Code)

3/8" or 9.5 mm

Hanger rod size for 1/2" to 4" pipe

5/8” or 16 mm

Hanger rod size for 10" to 12”

2112

What is the maximum fixture loading of a 8" pipe sloped at 1%? (Source: RNPCP, Chapter 7)

evaporative cooler

Which of the following can be drained through an air break? (Source: RNPCP, Chapter 8)

3 m

Water pipe joints shall be installed not less than ___ away from sewer line in both directions. (Source: RNPCP, Chapter 12)

White

Color of Steam Division- High Pressure Pipe (Source: National Building Code Rule X (Old NBC))

2.5%

A run of 20 meters with a rise of 0.5 m corresponds to a slope of _____.

3.965

1 Kcal is how many BTU?

4184

1Kcal is how many Joule?

0.9 kg/mm

All reinforcing webbing shall produce a tensile strength of not less than _____ in either direction. (Source: RNPCP, Chapter 4)

4 FU

The discharge capacity of 1 to 1.89 lps corresponds to _____. (Source: RNPCP, Chapter 7)

457.2 mm

A _____ diameter circular basin shall be equivalent to 1 lavatory. (Source: RNPCP, Chapter 4)

Backwater Valve

A device installed in a drainage system to prevent reverse flow. (Source: RNPCP, Chapter 2)

19 mm

What is the minimum supply size for a urinal stall? (Source: RNPCP, Annex A)

Gauge 20 (0.8 mm)

Thickness of Continuous waste and fixture tailpiece- seamless drawn brass (Source: RNPCP, Chapter 4)

sinks or urinals

- Cleanouts may be omitted on a horizontal drain line less than 1.5 m in length unless such line is serving ______. (Source: RNPCP, Chapter 7)

2 pipe sizes; largest side inlet

Vertical installation of double sanitary tees may be used when the barrel of the fitting is at least _____ larger than the _____ inlet. (Source: RNPCP, Chapter 3)

38 mm. O.D.

Each tailpiece, continuous waste or waste and overflow shall not be less than ___ for sinks, dishwashers, laundry tubs bathtubs, urinals and similar fixtures. (Source: RNPCP, Chapter 4)

Manually-Operated Standpipe System

A standpipe having a remote control device at each hose station. (Source: RNPCP, Chapter 2)

216

What is the Maximum DFU loading of a 102 mm branch? (Source: RNPCP, Chapter 7)

51 mm

Trap arm size of a service sink (Source: RNPCP, Chapter 7)

0 to 63.5 cm

Airgap less than 25 mm shall only be approved as a permanent part of a listed assembly that has been tested under actual backflow conditions with vacuums from _____ of mercury. (Source: RNPCP, Chapter 6)