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PLUMBING TEST EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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PLUMBING TEST EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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PLUMBING TEST EXAM 2024/2025 WITH100% ACCURATE SOLUTIONS
Which of the following traps are permitted by special permission?
A. bell
B. S
C. drum
D. crown vented trap - Precise Answer ✔✔C
A roof mounted ari conditioner unit is condensing at the rate of 5 GPM.
How much DFU?
A. 4
B. 5
C. 10
D. 12 - Precise Answer ✔✔B
According to the International Plumbing Code, when plastic piping is
installed in a concealed location and passing through a stud joist or
rafter, the piping may not pass any closer than ___ inches from the edge
of the wood member.
A. 3/4
B. 1
C. 1 1/4
,D. 1 1/2 - Precise Answer ✔✔D
The measured length along the centerline of the pip and its fittings is?
A. true length
B. measured length
C. developed length
D. actual length - Precise Answer ✔✔C
What is the approximated number of threads for a 2 1/2" schedule 40
pipe which will be used in a fuel gas piping system?
A. 9
B. 10
C. 11
D. 12 - Precise Answer ✔✔D
.43 PSI = How many Feet of Head?
A. 1
B. 2.31
C. 4.4
D. 43 - Precise Answer ✔✔A
What is the PSI at the bottom of the drainage pipe if the test for a 4"
drainage system is 30' of head?
A. 15 psi
, B. 14 psi
C. 13 psi
D. 12 psi - Precise Answer ✔✔D
PSI = feet of head x .433
30 (feet of head) x .433 = 12.99
When gas piping is installed through wood studs and is less than 1 1/4"
from the nearest end of the stud, the point of passage shall be protected
with a face plate not less than ___.
A. 1/32
B. 1/16
C. 3/32
D. 1/8 - Precise Answer ✔✔B
What is the corresponding feet of head in a sprinkler system whose
pressure is 40 PSI?
A. 93
B. 112
C. 117
D. 116 - Precise Answer ✔✔A
Feet of head is 2.31 x PSI
40 x 2.325= 93
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