Texas State Plumbing Inspectors Exam
Questions with Answers
1. Fixture connections which may be served through access
panels are con- sidered: Accessible
2. The part of the lowest piping of a drainage system, which
recieves the discharge from the soil, waste and other drainage
pipes inside the walls of the building and conveys it to a point
2 feet outside the building wall is a: Building drain
3. A vertical vent that is a continuation of the drain to which it
connects is a: Continuous vent
4. A vent which also serves as a drain is a: Wet vent
5. A strack is always: Vertical
6. A pipe which makes an angle of not more than 45 degrees
with the vertical is considered: Horizontal
7. The vertical depth of a trap seal is measured from: The weir
and the top of the dip of the trap
8. The principal artery of the venting system to which
branches may be con- nected is called: Main vent
9. A pressure surge absorbing device operating through the
compressibility of air is called: Hammer arrestor
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,10. A device installed in a drainage system to prevent reverse
flow is a: Back- water valve
11. Any pressure less than that exerted by atmosphere is: A
vacuum
12. A plugged fitting located at the base of all soil stacks is
called: Stack cleanout
13. A vertical line of piping that extends one or more floors
and recieved the discharge of water closets and other
fixtures is known as: Soil stack
14. A pipe which contains waste that is free from fecal matter
is: Waste
15. The piping that extends from the end of the building drain
and conveys discharge to the public sewer system is:
Building sewer
16. A branch can be in any part of the plumbing system
except: Riser
17. An area drain is: A catch basin
18. Which item is not part of a plumbing system: Sprinkler
systems
19. Which of the following may give approval for a plumber to
cover their installation: Authority having jurisdiction
20. A lavatory drain that is connected into the vent of the
water closet is referred to as: Wet vent
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, 21. A pipe that supplies potable water to any building or part of
the lot is known as a: Building supply
22. The drain line between the trap and the vent is called: Trap
arm
23. Without any movement of the water the pressure
measured with a gauge would be referred to as: Static
pressure
24. Vent pipes: Stop back siphonage of traps
25. On a drain line, 1/4 in to the foot is known as: Fall. grade or
slope
26. Trenches installed parallel to footings shall not extend
below the
bearing plane of the footing or wall: 45 degree
27. Loose earth free from rocks, broken concrete and frozen
chunks shall be placed in the trench in layers and
tamped in place until the crown of the pipe is covered by
of tamped earth: 6in-12in
28. The limitations for opening size in strainer plates of
for the floor and shower drains as well as receptor strainers
provides rodent protection: -
1/2 in
29. Tests requiring a pressure of greater than 10 psi but less
than or equal to
3/ 8
Questions with Answers
1. Fixture connections which may be served through access
panels are con- sidered: Accessible
2. The part of the lowest piping of a drainage system, which
recieves the discharge from the soil, waste and other drainage
pipes inside the walls of the building and conveys it to a point
2 feet outside the building wall is a: Building drain
3. A vertical vent that is a continuation of the drain to which it
connects is a: Continuous vent
4. A vent which also serves as a drain is a: Wet vent
5. A strack is always: Vertical
6. A pipe which makes an angle of not more than 45 degrees
with the vertical is considered: Horizontal
7. The vertical depth of a trap seal is measured from: The weir
and the top of the dip of the trap
8. The principal artery of the venting system to which
branches may be con- nected is called: Main vent
9. A pressure surge absorbing device operating through the
compressibility of air is called: Hammer arrestor
1/ 8
,10. A device installed in a drainage system to prevent reverse
flow is a: Back- water valve
11. Any pressure less than that exerted by atmosphere is: A
vacuum
12. A plugged fitting located at the base of all soil stacks is
called: Stack cleanout
13. A vertical line of piping that extends one or more floors
and recieved the discharge of water closets and other
fixtures is known as: Soil stack
14. A pipe which contains waste that is free from fecal matter
is: Waste
15. The piping that extends from the end of the building drain
and conveys discharge to the public sewer system is:
Building sewer
16. A branch can be in any part of the plumbing system
except: Riser
17. An area drain is: A catch basin
18. Which item is not part of a plumbing system: Sprinkler
systems
19. Which of the following may give approval for a plumber to
cover their installation: Authority having jurisdiction
20. A lavatory drain that is connected into the vent of the
water closet is referred to as: Wet vent
2/ 8
, 21. A pipe that supplies potable water to any building or part of
the lot is known as a: Building supply
22. The drain line between the trap and the vent is called: Trap
arm
23. Without any movement of the water the pressure
measured with a gauge would be referred to as: Static
pressure
24. Vent pipes: Stop back siphonage of traps
25. On a drain line, 1/4 in to the foot is known as: Fall. grade or
slope
26. Trenches installed parallel to footings shall not extend
below the
bearing plane of the footing or wall: 45 degree
27. Loose earth free from rocks, broken concrete and frozen
chunks shall be placed in the trench in layers and
tamped in place until the crown of the pipe is covered by
of tamped earth: 6in-12in
28. The limitations for opening size in strainer plates of
for the floor and shower drains as well as receptor strainers
provides rodent protection: -
1/2 in
29. Tests requiring a pressure of greater than 10 psi but less
than or equal to
3/ 8
