Weekly Test 2

通報

問題一覧

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

120 F

1 Kcal is how many BTU?

3.965

What is the allowed depth of shower dam or threshold?

2”-9”

Minimum pipe sizing for a branch serving a 400 DFU.

127 mm

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

6 FU

Trap arm size of a service sink

51 mm

A large opening in a sewer line or part of a plumbing system constructed with sufficient size for a man to gain access therein for maintenance purposes

manhole

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

90 deg

When a Public or Private Sewer is not available for use, excreta drainage piping from buildings and premises shall be connected to an approved ________.

Private Sewage Disposal System

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

1033 kPa

Potable water shall use solders and fluxes with a lead content not exceeding _______.

0.2%

Preferred pipe for transporting gas

Black Steel Pipe

WSFU of a private hose bibb

Medical gas piping is most often joined by _______.

Silver Brazing

Which of the following fixture group qualifies the definition of battery of fixtures?

5 water closets

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

Bathub

What is the maximum Fixture unit loading of a 2" trap?

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

1 Water Closet and 1 Urinal must be provided for temporary workingmen facilities for each ________ workmen.

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

1”

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

60 FU

A valve opened and closed by the fall and rise, respectively, of an attached ball floating on the surface of the liquid.

Ball Cock

Building Sewer or other drainage pipings must be installed not less than _________ within any building or structure.

0.6 m

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

2112

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

216

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

Manually-Operated Standpipe System

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

305 mm

Thickness of Continuous waste and fixture tailpiece- seamless drawn brass

Gauge 20 (0.8 mm)

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

Threads per inch for pipe size of 13 mm diameter.

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

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

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

457.2 mm

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

80 psi

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

Backwater Valve

Threads per inch of a 64 mm cleanout size

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.

0 to 63.5 cm

Galvanized wrought iron or galvanized steel pipe shall be kept __________________.

150 mm above ground

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

bitumastic coating

Color of Steam Division- High Pressure Pipe

White

1 Laundry Tray must be provided per _____ persons.

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.

Which of the following can be drained through an air break?

evaporative cooler

(ANSI) Pipe Color code for Fire Quenching

Red with White Lettering

Code on Sanitation of the Philippines

PD 856

Hanger rod size for 5" pipe size

13 mm

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

Bitumen

Backflow prevention device for a hose bibb

Atmospheric Vacuum Breaker

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

Convection

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