TEXAS PLUMBING EXAM QUESTIONS
AND ANSWERS
Fixture drain - Answer -The drain from the trap of a fixture to the junction of that drain
with any other drain pipe
Graywater - Answer-Waste discharge from lavatory, bathtub, shower, clothes washer
and laundry trays
Grease Interceptor - Answer-used in commercial kitchens to catch grease in water -
must be cleaned out.
30 minutes - Answer-Separation is accomplished by gravity during a retention Time of
no less than____. For grease interceptor.
Horizontal pipe - Answer-Any pipe or fitting that makes an
angle of less than 45 degrees (0.79 rad) with the horizontal
Pollution - Answer-An impairment of the quality of the potable water to a degree that
does not create a hazard to public health.
Syrup from fountain drinks - Answer-Example of pollution in plumbing systems
Stack Vent - Answer-Vent above the highest horizontal drain connected to stack
Vent stack - Answer-A vertical vent pipe installed primarily for
the purpose of providing circulation of air to and from any
part of the drainage system.
stack - Answer-A general term used for any vertical line of soil, waste, or vent piping:
not fewer than one story with or without offsets
Special gas vent - Answer-A vent listed and labeled for use with category II, III, and IV
appliances
Type B Vent - Answer-A vent listed and labeled for use with appliances with draft hoods
and other category I appliances that are listed for use with _____
Vertical pipe - Answer-Any pipe or fitting that makes an angle
of 45 degrees (0.79 rad) or more with the horizontal.
Type BW vent - Answer-A vent listed and labeled for use with wall furnaces
AND ANSWERS
Fixture drain - Answer -The drain from the trap of a fixture to the junction of that drain
with any other drain pipe
Graywater - Answer-Waste discharge from lavatory, bathtub, shower, clothes washer
and laundry trays
Grease Interceptor - Answer-used in commercial kitchens to catch grease in water -
must be cleaned out.
30 minutes - Answer-Separation is accomplished by gravity during a retention Time of
no less than____. For grease interceptor.
Horizontal pipe - Answer-Any pipe or fitting that makes an
angle of less than 45 degrees (0.79 rad) with the horizontal
Pollution - Answer-An impairment of the quality of the potable water to a degree that
does not create a hazard to public health.
Syrup from fountain drinks - Answer-Example of pollution in plumbing systems
Stack Vent - Answer-Vent above the highest horizontal drain connected to stack
Vent stack - Answer-A vertical vent pipe installed primarily for
the purpose of providing circulation of air to and from any
part of the drainage system.
stack - Answer-A general term used for any vertical line of soil, waste, or vent piping:
not fewer than one story with or without offsets
Special gas vent - Answer-A vent listed and labeled for use with category II, III, and IV
appliances
Type B Vent - Answer-A vent listed and labeled for use with appliances with draft hoods
and other category I appliances that are listed for use with _____
Vertical pipe - Answer-Any pipe or fitting that makes an angle
of 45 degrees (0.79 rad) or more with the horizontal.
Type BW vent - Answer-A vent listed and labeled for use with wall furnaces
