What best describes an air break - Correct Answer A piping arrangement in which a drain from a fixture,
appliance or
device discharges indirectly into another fixture, receptacle or
interceptor at a point below the flood level rim and above the trap seal.
Trenches installed parallel to footings shall not extend below - Correct Answer The 45 degree bearing
plane of the footing or wall
Exterior water lines subject to freezing shall be installed not less than - Correct Answer 6 inches below
the frost line
Horizontal drains within buildings shall have clean outs provided not more than - Correct Answer 100
feet apart
Each fixture trap shall have a liquid seal of - Correct Answer Not less than 2 inches and not more than 4
inches
All hot water distribution pipe and tubing shall have a minimum - Correct Answer Pressure rating of 100
psi @ 180 degrees
what best describes an individual vent. - Correct Answer A pipe installed to vent a fixture trap and that
connects with the vent system above the fixture served
The minimum hanger spacing for horizontal PVC pipe - Correct Answer 4 Ft
The DFU value as load factor for a commercial automatic clothes washer. - Correct Answer 3
The DFU value for a 3 inch trap - Correct Answer 5
, The minimum number of roof drains required for up to 10,000 square feet - Correct Answer 2
What best describes a stack vent ? - Correct Answer The extension of a soil or waste stack above the
highest horizontal drain connected to the stack.
What is the minimum condensate pipe diameter for up to 20 tons of refrigeration - Correct Answer 3/4"
How many water closets are required for R-3 occupancy one and two family dwellings ? - Correct
Answer 1
Separate facilities shall not be required in mercantile occupancies in which the maximum occupant load
is - Correct Answer 100 or less
The closet distance from the center of a water closet to a side wall is ? - Correct Answer 15 inches
Where systems under pressure contain chemical additives or antifreeze or where systems are connected
to a non potable secondary water supply the potable water supply shall be protected against back flow
by ? - Correct Answer A reduced pressure principle back flow preventer
The minimum size for a main in piping of a central vacuum system shall not be less than - Correct
Answer 1 inch
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be a
minimum of - Correct Answer Twice the effective opening of the indirect waste pipe
What type of trap is permitted on a lavatory? - Correct Answer P trap
Lavatories shall have waste outlets not less than - Correct Answer 1 - 1/4 inch
All shower compartments shall have a minimum of _____ interior cross sectional area - Correct Answer
900 square inches
appliance or
device discharges indirectly into another fixture, receptacle or
interceptor at a point below the flood level rim and above the trap seal.
Trenches installed parallel to footings shall not extend below - Correct Answer The 45 degree bearing
plane of the footing or wall
Exterior water lines subject to freezing shall be installed not less than - Correct Answer 6 inches below
the frost line
Horizontal drains within buildings shall have clean outs provided not more than - Correct Answer 100
feet apart
Each fixture trap shall have a liquid seal of - Correct Answer Not less than 2 inches and not more than 4
inches
All hot water distribution pipe and tubing shall have a minimum - Correct Answer Pressure rating of 100
psi @ 180 degrees
what best describes an individual vent. - Correct Answer A pipe installed to vent a fixture trap and that
connects with the vent system above the fixture served
The minimum hanger spacing for horizontal PVC pipe - Correct Answer 4 Ft
The DFU value as load factor for a commercial automatic clothes washer. - Correct Answer 3
The DFU value for a 3 inch trap - Correct Answer 5
, The minimum number of roof drains required for up to 10,000 square feet - Correct Answer 2
What best describes a stack vent ? - Correct Answer The extension of a soil or waste stack above the
highest horizontal drain connected to the stack.
What is the minimum condensate pipe diameter for up to 20 tons of refrigeration - Correct Answer 3/4"
How many water closets are required for R-3 occupancy one and two family dwellings ? - Correct
Answer 1
Separate facilities shall not be required in mercantile occupancies in which the maximum occupant load
is - Correct Answer 100 or less
The closet distance from the center of a water closet to a side wall is ? - Correct Answer 15 inches
Where systems under pressure contain chemical additives or antifreeze or where systems are connected
to a non potable secondary water supply the potable water supply shall be protected against back flow
by ? - Correct Answer A reduced pressure principle back flow preventer
The minimum size for a main in piping of a central vacuum system shall not be less than - Correct
Answer 1 inch
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be a
minimum of - Correct Answer Twice the effective opening of the indirect waste pipe
What type of trap is permitted on a lavatory? - Correct Answer P trap
Lavatories shall have waste outlets not less than - Correct Answer 1 - 1/4 inch
All shower compartments shall have a minimum of _____ interior cross sectional area - Correct Answer
900 square inches
