Master Plumbing WSSC exam |\ |\ |\ |\
questions with answers |\ |\
Waste water discharged into the building drainage system
|\ |\ |\ |\ |\ |\ |\
shall not be over _______ *F - CORRECT ANSWERS ✔✔140
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
A water tank holds 50 gallons of water. How much does
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the 50 gallons of water weigh? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔417 lbs |\
Exterior walls may be notched to a depth exceeding
|\ |\ |\ |\ |\ |\ |\ |\ |\
_______________ percent of its width. - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔25
According to the WSSC PFGC, a full flow building water
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
service valve shall be installed within _____ feet of where
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the water service enters the building. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔3' |\
According to the WSSC PFGC, water meters installed |\ |\ |\ |\ |\ |\ |\ |\
inside of buildings shall be located in an area capable of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
maintaining _____ *F. - CORRECT ANSWERS ✔✔50 |\ |\ |\ |\ |\ |\
, In Prince George and Montgomery County, water service
|\ |\ |\ |\ |\ |\ |\ |\
piping shall be not less than _____ inches below grade. -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔30 |\ |\
A cylindrical tank is 22 inches in diameter and 5 feet tall.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
How many gallons of water will it hold? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔98 |\
The best method of backflow protection is an? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Air-gap |\
Horizontal drainage piping 4 inches in diameter shall have
|\ |\ |\ |\ |\ |\ |\ |\
a minimum slope of _____ per foot. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔1/8
Water hammer arrestors shall conform to ASSE _______ -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔1010 |\ |\
A connection between a vent pipe and a vent stack or
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
stack vent shall be at least _____ inches above the flood
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
level rim of the highest fixture served by the vent. -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔6 inches |\ |\ |\
questions with answers |\ |\
Waste water discharged into the building drainage system
|\ |\ |\ |\ |\ |\ |\
shall not be over _______ *F - CORRECT ANSWERS ✔✔140
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
A water tank holds 50 gallons of water. How much does
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the 50 gallons of water weigh? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔417 lbs |\
Exterior walls may be notched to a depth exceeding
|\ |\ |\ |\ |\ |\ |\ |\ |\
_______________ percent of its width. - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔25
According to the WSSC PFGC, a full flow building water
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
service valve shall be installed within _____ feet of where
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the water service enters the building. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔3' |\
According to the WSSC PFGC, water meters installed |\ |\ |\ |\ |\ |\ |\ |\
inside of buildings shall be located in an area capable of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
maintaining _____ *F. - CORRECT ANSWERS ✔✔50 |\ |\ |\ |\ |\ |\
, In Prince George and Montgomery County, water service
|\ |\ |\ |\ |\ |\ |\ |\
piping shall be not less than _____ inches below grade. -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔30 |\ |\
A cylindrical tank is 22 inches in diameter and 5 feet tall.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
How many gallons of water will it hold? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔98 |\
The best method of backflow protection is an? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Air-gap |\
Horizontal drainage piping 4 inches in diameter shall have
|\ |\ |\ |\ |\ |\ |\ |\
a minimum slope of _____ per foot. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔1/8
Water hammer arrestors shall conform to ASSE _______ -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔1010 |\ |\
A connection between a vent pipe and a vent stack or
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
stack vent shall be at least _____ inches above the flood
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
level rim of the highest fixture served by the vent. -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔6 inches |\ |\ |\
