UPC: Ch 10 Traps and Interceptors UPDATED ACTUAL
Questions and CORRECT Answers
Each plumbing fixture, except for those having integral A
traps, shall be ________________________.
a. separately trapped by an approved liquid seal trap
b. drained by means of an indirect waste line
c. connected directly to the building drain without a trap
d. illegal and should not be used
One trap may serve a set of not more than ____________ C
single compartment sinks.
a. two
b. one
c. three
d. four
A food waste disposal unit installed in restaurant, B
commercial, or industrial sinks _____________________ _.
a. may share a common trap
b. must be separately trapped
c. should be indirectly wasted
d. need not be trapped
The maximum vertical distance for a tailpiece allowed D
between a ?xture and the trap weir is __ inches.
a. 6
b. 12
c. 18
d. 24
Each plumbing fixture trap shall be protected against B
siphonage and backpressure by a(n) ________________ _.
a. sanitary tee
b. vent pipe
c. air admittance device
d. backflow preventer
A trap arm smaller than 3 inches may change direction C
without a cleanout if the change in direction does not
exceed _______ degrees.
a. 30
b. 45
c. 90
d. 180
, The vent pipe opening from a soil or waste pipe, except B
for water closets and similar fixtures, _________ _.
a. may be below the trap weir
b. shall not be below the weir of the trap
c. must be below the weir of the trap
d. does not need a vent
The developed length of a 2 inch trap arm, from the trap B
weir to the inner edge of the vent shall not exceed _________
feet.
a. 3
b. 5
c. 6
d. 10
Each trap, except for traps within interceptors or similar A
devices, ______________________ _.
a. shall be self-cleaning
b. shall be one pipe size smaller than the fixture outlet
c. shall have a cleanout on the bottom of the trap
d. need not be vented
No more than _______ approved slip joint fitting(s) may A
be used on the outlet side of a trap.
a. one
b. two
c. three
d. four
The size of the trap connected to a fixture shall be D
sufficient to drain the fixture rapidly but _________ _.
a. in no case smaller than the fixture drain
b. not more than one size larger than the fixture drain
c. may be the same size as the trap arm to which it is
connected
d. all of the above
No trap shall be used that_____________________ _. D
a. depends on movable parts for its seal
b. has, with some exceptions, concealed interior
partitions
c. is classified as an S-trap or bell trap
d. all of the above
Each fixture trap shall have a water seal of C
_________________________.
a. not less than 2 inches
b. not more than 4 inches
c. both a and b
d. none of the above
Questions and CORRECT Answers
Each plumbing fixture, except for those having integral A
traps, shall be ________________________.
a. separately trapped by an approved liquid seal trap
b. drained by means of an indirect waste line
c. connected directly to the building drain without a trap
d. illegal and should not be used
One trap may serve a set of not more than ____________ C
single compartment sinks.
a. two
b. one
c. three
d. four
A food waste disposal unit installed in restaurant, B
commercial, or industrial sinks _____________________ _.
a. may share a common trap
b. must be separately trapped
c. should be indirectly wasted
d. need not be trapped
The maximum vertical distance for a tailpiece allowed D
between a ?xture and the trap weir is __ inches.
a. 6
b. 12
c. 18
d. 24
Each plumbing fixture trap shall be protected against B
siphonage and backpressure by a(n) ________________ _.
a. sanitary tee
b. vent pipe
c. air admittance device
d. backflow preventer
A trap arm smaller than 3 inches may change direction C
without a cleanout if the change in direction does not
exceed _______ degrees.
a. 30
b. 45
c. 90
d. 180
, The vent pipe opening from a soil or waste pipe, except B
for water closets and similar fixtures, _________ _.
a. may be below the trap weir
b. shall not be below the weir of the trap
c. must be below the weir of the trap
d. does not need a vent
The developed length of a 2 inch trap arm, from the trap B
weir to the inner edge of the vent shall not exceed _________
feet.
a. 3
b. 5
c. 6
d. 10
Each trap, except for traps within interceptors or similar A
devices, ______________________ _.
a. shall be self-cleaning
b. shall be one pipe size smaller than the fixture outlet
c. shall have a cleanout on the bottom of the trap
d. need not be vented
No more than _______ approved slip joint fitting(s) may A
be used on the outlet side of a trap.
a. one
b. two
c. three
d. four
The size of the trap connected to a fixture shall be D
sufficient to drain the fixture rapidly but _________ _.
a. in no case smaller than the fixture drain
b. not more than one size larger than the fixture drain
c. may be the same size as the trap arm to which it is
connected
d. all of the above
No trap shall be used that_____________________ _. D
a. depends on movable parts for its seal
b. has, with some exceptions, concealed interior
partitions
c. is classified as an S-trap or bell trap
d. all of the above
Each fixture trap shall have a water seal of C
_________________________.
a. not less than 2 inches
b. not more than 4 inches
c. both a and b
d. none of the above
