WT 2

Changes in direction of drainage piping shall be made by the use of approved pipe fittings like the following, except for _____.

90 degrees

Copper tubing shall be fully externally protected with a/an _____ and fiberglass wrapping installed inside a split rigid casing whenever installed underground. 

bitumastic coating

Water Closet provision for 300 females in Assembly Places for Public Use

11

1 Kcal is how many BTU?

3.965

Each tailpiece, continuous waste or waste and overflow shall not be less than ___ for sinks, dishwashers, laundry tubs bathtubs, urinals and similar fixtures.

38 mm. O.D.

 

A double check valve backflow preventer requires _____ minimum clearance at the bottom for maintenance.

305 mm

What is the water supply connection size for a flushometer tank WC?

10 mm

Linings for showers shall not be nailed or perforated at any point less than _____ above the finished dam or threshold.

1"

Which installation is allowable for a 6" diameter sewer pipe?

For every two meters of run, pipe has elevation difference of 21 mm

Trap arm size of a service sink

51 mm

Limit stops shall be adjusted to deliver hot water with a maximum temperature of _____. 

120 °F

1 Laundry Tray must be provided per ____ persons

50

WSFU of a private hose bibb

3

What is the allowed depth of shower dam or threshold?

2"-9"

Medical gas piping is most often joined by _____.

Silver Brazing

The minimum airgap of a fixture with an effective opening of 25 mm, affected by sidewalls

76 mm

Joints for hubless cast iron soil pipe and fittings shall conform to appropriate _____ installation standards.

IAPMO

What is the most likely cause if all the fixtures in the house drain slowly?

Blockage in the house drain

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.

last valve; 152 mm

Each pressure relief valve shall be an approved automatic type with drain and set at a pressure not more than _____. 

1033 kpa

A pressure regulator must be installed if the local water service pressure is above ____

80 psi

A standpipe having a remote control device at each hose station.

Manually-Operated Standpipe System

Water pipe joints shall be installed not less than ___ away from sewer line in both directions.

3 m

What is the Maximum DFU loading of a 102 mm branch?

216

Backflow prevention device for a hose bibb

Atmospheric Vacuum Breaker

Every building where _____ shall have a sewer service connection to a public or private sewer systems.

plumbing fixtures are installed

An additional cleanout shall be provided on a horizontal line with an aggregate offset angle of direction exceeding _____.

135°

Voids between pipes and sleeves through concrete floors in the ground shall be appropriately sealed with _____.

Bitumen

How many fixture units is equivalent to a 30 gpm-rated sump?

60 FU

A _____ diameter circular basin shall be equivalent to 1 lavatory.

457.2 mm

Which of the following is not a function of cleanout?

To permit the release of accumulated sewer gases

Thickness of Continuous waste and fixture tailpiece- seamless drawn brass

Gauge 20 (0.8 mm)

A device installed in a drainage system to prevent reverse flow.

Backwater Valve

Trap arm size of Laundry Tub

38 mm

What is the maximum fixture loading of a 8" pipe sloped at 1%?

2112

Which is not considered a plumbing fixture?

Water Heater

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

61 m

Consists of a body, a checking member, and an atmospheric opening.

Atmospheric Vacuum Breaker

Clotheswashers in groups of 3 or more shall be rated at _____ each for the common horiontal and vertical waste pipe sizing.

6 FU

Threads per inch for pipe size of 13 mm diameter.

14

Color of Steam Division- High Pressure Pipe

White

 

The minimum drainage pipe size for sinks, urinals, and dishwasher

51 mm

What will happen if a drainage piping is placed at slope of 10mm/m due to structural conditions?

Decrease in DFU loading

 

Preferred pipe for transporting gas

Black Steel Pipe

 

Hanger rod size for 5" pipe size

13 mm

A fixture allowed to omit a cleanout on a horizontal line less than 1.5 m in length is _____.

Bathtub

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

Convection

Vertical installation of double sanitary tees may be used when the barrel of the fitting is at least _____ larger than the _____ inlet.

2 pipe sizes; largest side inlet