NCCER Pipe Fitters Test Exam
Questions and Answers 100% Verified
Convert 1/4 to its decimal equivalent. - CORRECT ANSWER-0.25
Piping that is field-routed to a pump must be supported? - CORRECT ANSWER-
Independently
What is used when lighting a cutting torch? - CORRECT ANSWER-Striker
Where is specific information needed to install piping and associated items found? -
CORRECT ANSWER-Standards and Specifications
Damaged and broken tools should be - CORRECT ANSWER-Taken out of service
What is the ID of 10'' schedule 80 piping. - CORRECT ANSWER-9 9/16
The two steps in making up threaded joints are the hand engagement and - CORRECT
ANSWER-Wrench Makeup
Which of the following actions should be taken before a hydrostatic test is performed? -
CORRECT ANSWER-Remove pressure relief valves
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? - CORRECT ANSWER-8
Who is qualified to repair power tools? - CORRECT ANSWER-Competent Technician
Which of the following plastic pipes is NOT joined by solvent welding ?
A) PVC
B) HDPE
C) CPVC
D) ABS - CORRECT ANSWER-HDPE
Material placed in the bottom of the trench under the pipe to provide support is called. -
CORRECT ANSWER-Bedding
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? - CORRECT ANSWER-Prevents Weld
Cracking
When are rupture discs installed into a pipeline? - CORRECT ANSWER-Before startup
of the system
, Chain come-alongs are PRIMARILY designed for? - CORRECT ANSWER-Vertical
Lifting
Which of the following types of copper tubing has the thickest wall - CORRECT
ANSWER-K
What is the MINIMUM grade of chain that may be used for rigging loads overhead? -
CORRECT ANSWER-8
At and above what norminal pipe size is the O.D. of the pipe the same as the norminal
size of the pipe. - CORRECT ANSWER-14"
Which type of field sketch has base lines that are 30 degrees to the horizontal axis? -
CORRECT ANSWER-Isometric
The MINIMUM number of pre-heat holes for liquefied fuel tips is - CORRECT ANSWER-
6
The first step to changing blades and bits on power tools is to - CORRECT ANSWER-
Disconnect the power
What must be done to MOST socket welded valves before being welded into place? -
CORRECT ANSWER-Open the valve completely
What is the length of pipe required to fabricate a 6''diameter schedule 40 pipe spool with
one class 150# RFWN flange on one end, and one class 300# RFWN flange on the
other end, with a face-to-face measurement of 18 1/2'' (assume a 1/8 welder gap) -
CORRECT ANSWER-10 7/8
What is the standard torqueing valve of the Victaulic coupling bolts? - CORRECT
ANSWER-No Torquing is required
At what dimension does a pipe begin to be measured by the outside diameter? -
CORRECT ANSWER-14 inches
What is the 4th ordinate cutback measurement for a 3'' diameter type 3 dummy leg on a
6'' elbow - CORRECT ANSWER-10 3/16
What is the ratio of the distance that the ladder should be from the base of the wall to
the height where the ladder meets the wall. - CORRECT ANSWER-1/4
Trenches MUST be designed, excavated, and shored according to - CORRECT
ANSWER-OSHA Standards
The angles of any triangle add up to - CORRECT ANSWER-180º
Questions and Answers 100% Verified
Convert 1/4 to its decimal equivalent. - CORRECT ANSWER-0.25
Piping that is field-routed to a pump must be supported? - CORRECT ANSWER-
Independently
What is used when lighting a cutting torch? - CORRECT ANSWER-Striker
Where is specific information needed to install piping and associated items found? -
CORRECT ANSWER-Standards and Specifications
Damaged and broken tools should be - CORRECT ANSWER-Taken out of service
What is the ID of 10'' schedule 80 piping. - CORRECT ANSWER-9 9/16
The two steps in making up threaded joints are the hand engagement and - CORRECT
ANSWER-Wrench Makeup
Which of the following actions should be taken before a hydrostatic test is performed? -
CORRECT ANSWER-Remove pressure relief valves
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? - CORRECT ANSWER-8
Who is qualified to repair power tools? - CORRECT ANSWER-Competent Technician
Which of the following plastic pipes is NOT joined by solvent welding ?
A) PVC
B) HDPE
C) CPVC
D) ABS - CORRECT ANSWER-HDPE
Material placed in the bottom of the trench under the pipe to provide support is called. -
CORRECT ANSWER-Bedding
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? - CORRECT ANSWER-Prevents Weld
Cracking
When are rupture discs installed into a pipeline? - CORRECT ANSWER-Before startup
of the system
, Chain come-alongs are PRIMARILY designed for? - CORRECT ANSWER-Vertical
Lifting
Which of the following types of copper tubing has the thickest wall - CORRECT
ANSWER-K
What is the MINIMUM grade of chain that may be used for rigging loads overhead? -
CORRECT ANSWER-8
At and above what norminal pipe size is the O.D. of the pipe the same as the norminal
size of the pipe. - CORRECT ANSWER-14"
Which type of field sketch has base lines that are 30 degrees to the horizontal axis? -
CORRECT ANSWER-Isometric
The MINIMUM number of pre-heat holes for liquefied fuel tips is - CORRECT ANSWER-
6
The first step to changing blades and bits on power tools is to - CORRECT ANSWER-
Disconnect the power
What must be done to MOST socket welded valves before being welded into place? -
CORRECT ANSWER-Open the valve completely
What is the length of pipe required to fabricate a 6''diameter schedule 40 pipe spool with
one class 150# RFWN flange on one end, and one class 300# RFWN flange on the
other end, with a face-to-face measurement of 18 1/2'' (assume a 1/8 welder gap) -
CORRECT ANSWER-10 7/8
What is the standard torqueing valve of the Victaulic coupling bolts? - CORRECT
ANSWER-No Torquing is required
At what dimension does a pipe begin to be measured by the outside diameter? -
CORRECT ANSWER-14 inches
What is the 4th ordinate cutback measurement for a 3'' diameter type 3 dummy leg on a
6'' elbow - CORRECT ANSWER-10 3/16
What is the ratio of the distance that the ladder should be from the base of the wall to
the height where the ladder meets the wall. - CORRECT ANSWER-1/4
Trenches MUST be designed, excavated, and shored according to - CORRECT
ANSWER-OSHA Standards
The angles of any triangle add up to - CORRECT ANSWER-180º
