1|Page
MASTER PLUMBING WSSC WITH
QUESTIONS AND ANSWERS 100%
VERIFIED
A backflow technician license shall be valid for a period of ____ years. -
correct answer_ 3
According to the IPC, the combined hot and cold water supply fixture
unit value for a half bath group is _____. - correct answer_ 2.9
A copper tee which is 1 inch straight-through with 1/2" as the side
outlet is called a _________ tee. - correct answer_ 1 x 1 x 1/2
Turning the screw clockwise (inwards) on a house pressure reducing
valve will do what? - correct answer_ raise the water pressure
Which of the following is the best material to seal a faucet to a sink
deck? - correct answer_ 100% pure silicone
, 2|Page
Which of the following jobs does not require a WSSC permit? - correct
answer_ replace electric water heater
A hole is dug 9' deep, 3 feet wide and 12 feet long. How many cubic
yards is this? - correct answer_ 12
According to the IPC, the temperature of water from tankless water
heaters shall be a maximum of _______ *F when for domestic use. -
correct answer_ 140
According to the WSSC PFGC., building sewers, other than those for
private sewage disposal systems, shall be ____ inches below grade -
correct answer_ 24
According to the WSSC PFGC, the maximum depth from finished grade
to the curb valve on a water service shall be ___ inches. - correct
answer_ 60
MASTER PLUMBING WSSC WITH
QUESTIONS AND ANSWERS 100%
VERIFIED
A backflow technician license shall be valid for a period of ____ years. -
correct answer_ 3
According to the IPC, the combined hot and cold water supply fixture
unit value for a half bath group is _____. - correct answer_ 2.9
A copper tee which is 1 inch straight-through with 1/2" as the side
outlet is called a _________ tee. - correct answer_ 1 x 1 x 1/2
Turning the screw clockwise (inwards) on a house pressure reducing
valve will do what? - correct answer_ raise the water pressure
Which of the following is the best material to seal a faucet to a sink
deck? - correct answer_ 100% pure silicone
, 2|Page
Which of the following jobs does not require a WSSC permit? - correct
answer_ replace electric water heater
A hole is dug 9' deep, 3 feet wide and 12 feet long. How many cubic
yards is this? - correct answer_ 12
According to the IPC, the temperature of water from tankless water
heaters shall be a maximum of _______ *F when for domestic use. -
correct answer_ 140
According to the WSSC PFGC., building sewers, other than those for
private sewage disposal systems, shall be ____ inches below grade -
correct answer_ 24
According to the WSSC PFGC, the maximum depth from finished grade
to the curb valve on a water service shall be ___ inches. - correct
answer_ 60
