PIPEFITTER APPRENTICE EXAM 2025|
120 REAL NCCER TEST QUESTIONS AND
CORRECT ANSWERS| GRADED A+
Convert 1/4 to its decimal equivalent.
A) .01
B) .25
C) 0.4
D) 0.5 - CORRECT ANS✔✔ B
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 - CORRECT ANS✔✔ C
What is used when lighting a cutting torch ?
A) Striker
B) Cigarette lighter
C) Match
D) Any open flame - CORRECT ANS✔✔ A
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 - CORRECT ANS✔✔ D
Damaged and broken tools should be
A) Used if possible
B) Kept for backup
C) Taken out of Service
D) Used for minor tasks - CORRECT ANS✔✔ C
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 - CORRECT ANS✔✔ C
The two steps in making up threaded joints are the hand engagement and
A) Machine makeup
B) Wrench makeup
C) Driver makeup - CORRECT ANS✔✔ B
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 - CORRECT ANS✔✔ a
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 - CORRECT ANS✔✔ C
Who is qualified to repair power tools.
A) Journey person
B) Competent Technician
C) Electrician
D) Tool crib attendant - CORRECT ANS✔✔ B
Which of the following plastic pipes is NOT joined by solvent welding ?
A) PVC
B) HDPE
C) CPVC
D) ABS - CORRECT ANS✔✔ B
Material placed in the bottom of the trench under the pipe to provide support is called.
, A) Heave
B) Sub trench
C) Trench load
D) Bedding - CORRECT ANS✔✔ D
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
D) Provides fit-up adjustment - CORRECT ANS✔✔ C
When are rupture discs installed into a pipeline?
A) Before flushing and testing of pipeline
B) After installation of the pipeline
C) Before start-up of the system
D) After start-up of the system - CORRECT ANS✔✔ C
Chain come-alongs are PRIMARILY designed for?
A) Lifting in close quarters
B) Vertical lifting
C) Lifting in any location
D) Horizontal lifting - CORRECT ANS✔✔ B
120 REAL NCCER TEST QUESTIONS AND
CORRECT ANSWERS| GRADED A+
Convert 1/4 to its decimal equivalent.
A) .01
B) .25
C) 0.4
D) 0.5 - CORRECT ANS✔✔ B
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 - CORRECT ANS✔✔ C
What is used when lighting a cutting torch ?
A) Striker
B) Cigarette lighter
C) Match
D) Any open flame - CORRECT ANS✔✔ A
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 - CORRECT ANS✔✔ D
Damaged and broken tools should be
A) Used if possible
B) Kept for backup
C) Taken out of Service
D) Used for minor tasks - CORRECT ANS✔✔ C
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 - CORRECT ANS✔✔ C
The two steps in making up threaded joints are the hand engagement and
A) Machine makeup
B) Wrench makeup
C) Driver makeup - CORRECT ANS✔✔ B
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 - CORRECT ANS✔✔ a
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 - CORRECT ANS✔✔ C
Who is qualified to repair power tools.
A) Journey person
B) Competent Technician
C) Electrician
D) Tool crib attendant - CORRECT ANS✔✔ B
Which of the following plastic pipes is NOT joined by solvent welding ?
A) PVC
B) HDPE
C) CPVC
D) ABS - CORRECT ANS✔✔ B
Material placed in the bottom of the trench under the pipe to provide support is called.
, A) Heave
B) Sub trench
C) Trench load
D) Bedding - CORRECT ANS✔✔ D
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
D) Provides fit-up adjustment - CORRECT ANS✔✔ C
When are rupture discs installed into a pipeline?
A) Before flushing and testing of pipeline
B) After installation of the pipeline
C) Before start-up of the system
D) After start-up of the system - CORRECT ANS✔✔ C
Chain come-alongs are PRIMARILY designed for?
A) Lifting in close quarters
B) Vertical lifting
C) Lifting in any location
D) Horizontal lifting - CORRECT ANS✔✔ B
