問題一覧
1
A ________ may be installed with indirect waste
drinking fountain
2
Unless serving sinks or urinals, cleanouts may be omitted on a horizontal drain line that is
less than 1.5 meters
3
The minimum common horizontal waste pipe serving a bathtub, a lavatory, and a kitchen sink shall be at least _______.
2 inches
4
The sizing of gas vents for category II, III, and IV shall be in accordance with ________.
the manufacturers instructions
5
Nonmetallic shower sub-pans or linings may be built up on the job site of not less than ___________.
three layers of 15 pound felt
6
Drinking fountains may be installed with
indirect wastes
7
The minimum size waste pipe for a residential kitchen sink is ________.
2 inches
8
A seamless drawn-brass fixture tailpiece shall be __________.
20 B&S gauge
9
Single-wall metal pipe shall be constructed of ______ not less than 0.0304 inch thick.
galvanized, sheet steel
10
A noncorrosive leak detection fluid
approved for use at least 12 inches belowground
11
The minimum horizontal distance between a water supply well and the building sewer is ____________ .
50 feet
12
Concealed slip joint connection require a (an) _________.
12 x 12 access panel
13
Leaks in gas piping shall be located by applying ________.
soapy water to the exterior of the pipping
14
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
15
The maximum length for a 1-1/2 - inch vent pipe is _______ .
60 feet
16
Each drainage stack that extends 10 or more stories above the building drain shall be served by _______.
a parallel vent stack
17
Soil and drain pipes located above food-handling establishments shall be subjected to a standing water test of not less than ______ feet.
10
18
A device to prevent backflow into the potable water system is called a
backflow preventer
19
The minimum size trap and trap arm for a kitchen sink is ________.
1-1/2 inches
20
The required clearance in front of a 3-inch cleanout is __________.
18 inches
21
What kind of joint is not allowed in cast iron pipe?
threaded
22
That portion on a venting system that connects a water heater to a vent is a
vent connector
23
A _____ may be installed with indirect waste.
Grease
24
Sheet metal, constituting a part of any vent connector, shall be at least ________.
0.0304 inches
25
Ferrous gas piping installed underground in exterior locations shall have at least _________.
1 foot of earth cover
26
Water heater vents terminate above a roof surface at least __________ froma vertical wall.
12 inches
27
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 ________ .
27
28
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
29
The tailpiece for a lavatory shall not be less than _______.
1-1/4 inch
30
The minimum clearance of listed appliances to any combustible wall or partitions is _________.
specified in listing or rating plate and NFPA 211 Standard
31
What is the minimum age requirement for an appointee to become a member of the Board of Master Plumbers?
Thirty years old
32
Joints at the roof around pipes shall be made watertights by the use of
flashings
33
The distance from the center of a water closet to any side wall or partitions shall not be closet than ________.
15 inches