Plumbing Code 1

50問 • 13日前

問題一覧

Because of structural conditions, a 4-inch house drain is installed with a slope of 1/8 inch per foot. This installation will result in a(an) _____.

reduction in fixture unit loading allowance

A ____ may be installed with indirect waste

drinking fountain

A ___ may be installed with indirect waste.

grease

A seamless drawn-brass fixture tailpiece shall be

20 B&S gauge

Water heater vents terminate above a roof surface at least ____ from a vertical wall.

12 inches

The distance from the center of a water closet to any side wall or partition shall not be closer than ____.

15 inches

Drinking fountains may be installed with ____.

indirect wastes

Joints at the roof around pipes shall be made watertight by the use of ____.

flashings

A device to prevent backflow into the potable water system is called a ____.

backflow preventer

That portion of a venting system that connects a water heater to a vent is a ____.

vent connector

The minimum size waste pipe for a residential kitchen sink is ____.

2 inches

Each drainage stack that extends 10 or more stories above the building drain shall be served by ____.

a parallel vent stack

The minimum common horizontal waste pipe serving a bathtub, a lavatory, and a kitchen sink shall be at least ____.

2 inches

What kind of joint is not allowed in cast iron pipe?

threaded

The tailpiece for a lavatory shall not be less than ____.

1 1/4 inch

Unless serving sinks or urinals, cleanouts may be omitted on a horizontal drain line that is

less than 1.5 meter

The sizing of gas vents for category Il, III and IV shall be in accordance with ____.

the manufactures instructions

When sizing a copper fuel-gas piping system that has an inlet pressure of less than 2 psi with a pressure drop of 0.3 inch w.c., the maximum cubic feet per hour of gas flow allowed through a 5/8- inch O.D. ACR tube 75 feet in developed length is ___.

The maximum length for a 1-1/2-inch vent pipe is

60 feet

What is the minimum age requirement for an appointee to become a member of the Board of Master Plumbers?

30 years old

The minimum horizontal distance between a water supply well and the building sewer is ___.

50 feet

Soil and drain pipes located above food-handling establishments shall be subjected to a standing water test of not less than ___ feet.

A vent in a combination waste and vent system shall be approximately equal in area to one-half the ___.

cross-sectional of the drain pipe served

Concealed slip joint connection require a (an) ____.

12x12 access panel

The minimum size trap and trap arm for a kitchen sink is ___.

1 1/2 invhes

Single-wall metal pipe shall be constructed of ___ not less than 0.0304 inch thick.

galvanized, sheet steel

Nonmetallic shower sub-pans or linings may be built up on the job site of not less than ___.

three layers of 15 pound felt

The required clearance in front of 3-inch cleanout is ___.

18 inches

Ferrous gas piping installed underground in exterior locations shall have at least ___.

1 foot of earth cover

Minimum clearance of listed appliances to any combustible wall or partition is ___.

specified in listing or rating plate and NFPA 211 Standard

Leaks in gas piping shall be located by applying ___.

soapy water to the exterior of the piping

a noncorrosive leak detection fluid

approved for use at least 12 inches belowground

Sheet metal, constituting a part of any vent connector, shall be at least ___.

0.0304

When supporting horizontal piping 5-inches in diameter with hangers, a _ inch diameter rod shall be used.

1/2

The curb or threshold of a shower compartment may be eliminated ___.

to comply with accessibility standards

Trough urinals shall be ___.

prohibited

Wall-mounted water closets shall be securely bolted to ___.

a carrier fitting

Horizontal hubless pipe shall be braced at not more than 40-foot intervals to prevent ___.

horizontal movement

All materials, fixtures, or devices used or entering into the construction of plumbing and drainage systems shall ___.

conform to approved applicable standards

Piping in the ground shall be laid on ___.

a firm bed

To provide watertight joint in the floor, shower drains and floor drains are required to be ___.

suitably flanged

Mechanical devices may be used to complete backfilling where covering above any piping is at least ___ inches

Screws or bolts for securing floor mounted fixtures shall be ___.

brass

All piping fixtures, and equipment shall be adequately supported in accordance with the ___.

code

The distance between the wall to the center of water closet shall not be less than ___.

An outlet on a boiler to permit emptying or discharging of sediment is called a(an) ___.

relief valve

Pipe joint material shall be insoluble in water, nontoxic, and applied ___.

on male threads only

Gutters in public shower rooms shall be sloped not less than ___.

Roofs, inner courts, vents shafts, light wells, or similar areas having rainwater drains shall discharge to a ___.

outside of the building or to the gutter

When brazing, the alloys shall have a melting temperature of at least ___ degrees F.

1000

YT1 Materials Engineer EXAM

ユーザ名非公開 · 100問 · 13日前

YT1 Materials Engineer EXAM