PIPEFITTER NCCER ACTUAL EXAM
2024-2025 LATEST UPDATED 120
ACTUAL QUESTIONS WITH VERIFIED
CORRECT ANSWERS. A+ GRADE RATED
1. Convert 1/4 to its decimal equivalent.
A) .01
B) .25
C) 0.4
D) 0.5: B
2. Piping that is field-routed to a pump must be supported
A) Off the pump suction
B) Diagonally
C) Independently
D) Off the pump discharge: C
3. What is used when lighting a cutting torch ?
A) Striker
B) Cigarette lighter
C) Match
D) Any open flame: A
4. Where is specific information needed to install piping and associated items
found ?
,A) Reliability network
B) Owner of the company
C) Material Manufacturer
D) Standards and Specifications: D
5. Damaged and broken tools should be
A) Used if possible
B) Kept for backup
C) Taken out of Service
D) Used for minor tasks: C
6. What is the ID of 10'' schedule 80 piping.
A) 9
3/16 B)
9 5/16
C) 9 9/16
D) 10 1/16: C
7. The two steps in making up threaded joints are the hand engagement and
A) Machine makeup
B) Wrench makeup
C) Driver makeup: B
8. Which of the following actions should be taken before a hydrostatic test is
performed ?
A) Remove pressure relief valves
B) Leave control mechanisms in place
C) Leave orifice flanges in place
D) Remove blinds: a
, 9. A 4-inch lateral riser is to be fabricated for a 6-inch pipe. How many ordinate
lines will be needed to lay out this cut ?
A) 32
B) 16
C) 8
D) 4: C
10. Who is qualified to repair power tools.
A) Journey person
B) Competent Technician
C) Electrician
D) Tool crib attendant: B
11. Which of the following plastic pipes is NOT joined by solvent welding ? A)
PVC
B) HDPE
C) CPVC
D) ABS: B
12. Material placed in the bottom of the trench under the pipe to provide
support is called. A) Heave
B) Sub trench
C) Trench loadd) Bedding: D
13. Socket weld joints have a gap between the end of the pipe and the bottom of
the socket. What is the purpose of this gap ?
A) Makes assembly easier
B) Reduces flexibility at the fitting
C) Prevents weld cracking
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