PIPEFITTER NCCER TEST QUESTIONS AND ANSWERS

PIPEFITTER NCCER TEST
QUESTIONS AND ANSWERS



Convert 1/4 to its decimal equivalent.
xc xc xc xc xc



A) .01
xc



B) .25
xc



C) 0.4
xc



D) 0.5 - ans-B
xc xc xc




Piping that is field-routed to a pump must be supported
xc xc xc xc xc xc xc xc xc



A) Off the pump suction
xc xc xc xc



B) Diagonally
xc



C) Independently
xc



D) Off the pump discharge - ans-C
xc xc xc xc xc xc




What is used when lighting a cutting torch ?
xc xc xc xc xc xc xc xc



A) Striker
xc



B) Cigarette lighter
xc xc



C) Match
xc



D) Any open flame - ans-A
xc xc xc xc xc




Where is specific information needed to install piping and associated items found ?
xc xc xc xc xc xc xc xc xc xc xc xc



A) Reliability network
xc xc



B) Owner of the company
xc xc xc xc



C) Material Manufacturer
xc xc



D) Standards and Specifications - ans-D
xc xc xc xc xc




Damaged and broken tools should be xc xc xc xc xc



A) Used if possible
xc xc xc



B) Kept for backup
xc xc xc



C) Taken out of Service
xc xc xc xc



D) Used for minor tasks - ans-C
xc xc xc xc xc xc




What is the ID of 10'' schedule 80 piping.
xc xc xc xc xc xc xc xc



A) 9 3/16
xc xc



B) 9 5/16
xc xc



C) 9 9/16
xc xc



D) 10 1/16 - ans-C
xc xc xc xc

,The two steps in making up threaded joints are the hand engagement and
xc xc xc xc xc xc xc xc xc xc xc xc



A) Machine makeup
xc xc



B) Wrench makeup
xc xc



C) Driver makeup - ans-B
xc xc xc xc




Which of the following actions should be taken before a hydrostatic test is performed ?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc



A) Remove pressure relief valves
xc xc xc xc



B) Leave control mechanisms in place
xc xc xc xc xc



C) Leave orifice flanges in place
xc xc xc xc xc



D) Remove blinds - ans-a
xc xc xc xc




A 4-inch lateral riser is to be fabricated for a 6-inch pipe. How many ordinate lines will
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc



be needed to lay out this cut ?
xc xc xc xc xc xc xc



A) 32 xc



B) 16 xc



C) 8 xc



D) 4 - ans-C
xc xc xc




Who is qualified to repair power tools.
xc xc xc xc xc xc



A) Journey person
xc xc



B) Competent Technician
xc xc



C) Electrician
xc



D) Tool crib attendant - ans-B
xc xc xc xc xc




Which of the following plastic pipes is NOT joined by solvent welding ?
xc xc xc xc xc xc xc xc xc xc xc xc



A) PVCxc



B) HDPE
xc



C) CPVC
xc



D) ABS - ans-B
xc xc xc




Material placed in the bottom of the trench under the pipe to provide support is called.
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc



A) Heave
xc



B) Sub trench
xc xc



C) Trench load
xc xc



D) Bedding - ans-D
xc xc xc




Socket weld joints have a gap between the end of the pipe and the bottom of the
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc



socket. What is the purpose of this gap ?
xc xc xc xc xc xc xc xc



A) Makes assembly easier
xc xc xc



B) Reduces flexibility at the fitting
xc xc xc xc xc



C) Prevents weld cracking
xc xc xc



D) Provides fit-up adjustment - ans-C
xc xc xc xc xc




When are rupture discs installed into a pipeline?
xc xc xc xc xc xc xc



A) Before flushing and testing of pipeline
xc xc xc xc xc xc

, B) After installation of the pipeline
xc xc xc xc xc



C) Before start-up of the system
xc xc xc xc xc



D) After start-up of the system - ans-C
xc xc xc xc xc xc xc




Chain come-alongs are PRIMARILY designed for?
xc xc xc xc xc



A) Lifting in close quarters
xc xc xc xc



B) Vertical lifting
xc xc



C) Lifting in any location
xc xc xc xc



D) Horizontal lifting - ans-B
xc xc xc xc




Which of the following types of copper tubing has the thickest wall
xc xc xc xc xc xc xc xc xc xc xc



A) K
xc



B) L
xc



C) M
xc



D) Acr - ans-A
xc xc xc




What is the MINIMUM grade of chain that may be used for rigging loads overhead?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc



A) 5
xc



B) 6
xc



C) 7
xc



D) 8 - ans-D
xc xc xc




At and above what norminal pipe size is the O.D. of the pipe the same as the norminal
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc



size of the pipe.
xc xc xc



A) 10''
xc



B) 12''
xc



C) 14''
xc



D) 16'' - ans-C
xc xc xc




Which type of field sketch has base lines that are 30 degrees to the horizontal axis?
xc xc xc xc xc xc xc xc xc xc xc xc xc xc xc



A) Orthographic
xc



B) Oblique
xc



C) P & ID
xc xc xc



D) Isometric - ans-D
xc xc xc




The MINIMUM number of pre-heat holes for liquefied fuel tips is
xc xc xc xc xc xc xc xc xc xc



A) 2 C) 6
xc xc xc



B) 4 D) 8 - ans-C
xc xc xc xc xc




The first step to changing blades and bits on power tools is to
xc xc xc xc xc xc xc xc xc xc xc xc



A) Disassemble tool
xc xc



B) Disconnect the power
xc xc xc



C) Remove the guards
xc xc xc



D) Get a new blade or bit - ans-B
xc xc xc xc xc xc xc xc




What must be done to MOST socket welded valves before being welded into place?
xc xc xc xc xc xc xc xc xc xc xc xc xc