Pipefitter NCCER TEST QUESTIONS WITH
COMPLETE SOLUTIONS
Convert 1/4 to its decimal equivalent.
| | | | |
A) .01
|
B) .25
|
C) 0.4
|
D) 0.5 - CORRECT ANSWER✔✔-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 ANSWER✔✔-C
| | | | | | |
What is used when lighting a cutting torch ?
| | | | | | | |
A) Striker
|
B) Cigarette lighter
| |
C) Match
|
D) Any open flame - CORRECT ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-C
| | | | |
The two steps in making up threaded joints are the hand engagement and
| | | | | | | | | | | |
A) Machine makeup
| |
B) Wrench makeup
| |
C) Driver makeup - CORRECT ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-C
| | | |
Who is qualified to repair power tools.
| | | | | |
A) Journey person
| |
B) Competent Technician
| |
C) Electrician
|
D) Tool crib attendant - CORRECT ANSWER✔✔-B
| | | | | |
Which of the following plastic pipes is NOT joined by solvent welding ?
| | | | | | | | | | | |
A) PVC |
B) HDPE |
, C) CPVC
|
D) ABS - CORRECT ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-C
| | | | | | | |
Chain come-alongs are PRIMARILY designed for?
| | | | |
COMPLETE SOLUTIONS
Convert 1/4 to its decimal equivalent.
| | | | |
A) .01
|
B) .25
|
C) 0.4
|
D) 0.5 - CORRECT ANSWER✔✔-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 ANSWER✔✔-C
| | | | | | |
What is used when lighting a cutting torch ?
| | | | | | | |
A) Striker
|
B) Cigarette lighter
| |
C) Match
|
D) Any open flame - CORRECT ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-C
| | | | |
The two steps in making up threaded joints are the hand engagement and
| | | | | | | | | | | |
A) Machine makeup
| |
B) Wrench makeup
| |
C) Driver makeup - CORRECT ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-C
| | | |
Who is qualified to repair power tools.
| | | | | |
A) Journey person
| |
B) Competent Technician
| |
C) Electrician
|
D) Tool crib attendant - CORRECT ANSWER✔✔-B
| | | | | |
Which of the following plastic pipes is NOT joined by solvent welding ?
| | | | | | | | | | | |
A) PVC |
B) HDPE |
, C) CPVC
|
D) ABS - CORRECT ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-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 ANSWER✔✔-C
| | | | | | | |
Chain come-alongs are PRIMARILY designed for?
| | | | |
