PLUMBING MOCK EXAM QUESTIONS WITH 100%
CORRECT ANSWERS
To help prevent indirect siphonage, be sure the stack is - Properly sized
Vents prevent trap seals from draining by - Equalize air pressure
According to code, vents cannot turn vert to horz until fixture flood level rim by at least - 6 inch
above
The central vent in a building is the - Vent stack
The degree of slope required for horz vent is governed by - The local code
The distance from the trap weir to the vent pipe opening is determined by - Hydraulic gradient
A relief vent that connects to soil stack to the vent stack is called the - Yoke
2 lavs installed back-to-back at the same height can be connected to a - Common vent
The most effective means of fixture venting is - Individual vent
Battery vents are used in commercial building to connect - Series of fixtures
A wet vented fixture trap must be capable of - Resealing
In addressing a use of wet vented pipe, code specify the maximum allowable - Horz and vert run
Alternative of vent stack that extends thru roof building - Air admittance vent
In a combo waste and vent, if the trap is 1-1/2in, then the waste is - 2in
CORRECT ANSWERS
To help prevent indirect siphonage, be sure the stack is - Properly sized
Vents prevent trap seals from draining by - Equalize air pressure
According to code, vents cannot turn vert to horz until fixture flood level rim by at least - 6 inch
above
The central vent in a building is the - Vent stack
The degree of slope required for horz vent is governed by - The local code
The distance from the trap weir to the vent pipe opening is determined by - Hydraulic gradient
A relief vent that connects to soil stack to the vent stack is called the - Yoke
2 lavs installed back-to-back at the same height can be connected to a - Common vent
The most effective means of fixture venting is - Individual vent
Battery vents are used in commercial building to connect - Series of fixtures
A wet vented fixture trap must be capable of - Resealing
In addressing a use of wet vented pipe, code specify the maximum allowable - Horz and vert run
Alternative of vent stack that extends thru roof building - Air admittance vent
In a combo waste and vent, if the trap is 1-1/2in, then the waste is - 2in
