TEST EXAM FOR NCCER QUESTIONS
AND ANSWERS
Hine list, or line table, select the piping specifications - CORRECT ANSWER-
What is a wraparound? - CORRECT ANSWER-a tool to lay a straight line around pipe
What is. plum? - CORRECT ANSWER-refers to a vertical alignment level, refers to
horizonta...
TEST EXAM FOR NCCER QUESTIONS
AND ANSWERS
Hine list, or line table, select the piping specifications - CORRECT ANSWER-
What is a wraparound? - CORRECT ANSWER-a tool to lay a straight line around pipe
What is. plum? - CORRECT ANSWER-refers to a vertical alignment level, refers to
horizontal alignment
What are pins used for? - CORRECT ANSWER-align bolt holes when connecting
flanges
What is a flange spreader used for? - CORRECT ANSWER-to open flanges
What does NPT mean? - CORRECT ANSWER-National Pipe Threads
Flare joints is required in instillation - CORRECT ANSWER-when a hazard exist and a
torch abrasive isn't permitted
What is GFCI used for - CORRECT ANSWER-to reduce electrical hazard
What is a nipple? - CORRECT ANSWER-piece of pipe less than 12 inches
What do you never do with a lighted torch? - CORRECT ANSWER-never lay it down
How far should gas and oxygen cylinder be separated? - CORRECT ANSWER-20 feet
What is a striker or lighter used for? - CORRECT ANSWER-used to ignite the torch
What is a soapstone? - CORRECT ANSWER-common material used for marking
Metal must be pierced - CORRECT ANSWER-before cut
Never stand on top step of ladder - CORRECT ANSWER-used 4 to 1 rule on extension
ladder
How many times should you overlap a plank? - CORRECT ANSWER-at least 6 inches
and no more than 12 inches
All piping should be sloped at? - CORRECT ANSWER-1/8 inch foot back to tank
, Where is the title block located on a drawing? - CORRECT ANSWER-over right corner
Hine list, or line table - CORRECT ANSWER-select the piping specification that can be
used with the same system
What does the plot plan show? - CORRECT ANSWER-the location of a structure on a
piece of property where can be build. Battery limits
What is the plan view? - CORRECT ANSWER-it is a view of objects or area form above
looking down on the system
P&ID are schematic diagrams of a complete system - CORRECT ANSWER-and shows
process flow
ISO includes a bill of materials - CORRECT ANSWER-pipe, flanges, valves, bolts and
gaskets
What is a spool? - CORRECT ANSWER-a prefabricated section of a pipe
Valves that are used to start and stop flower called? - CORRECT ANSWER-gate, knife,
ball, plug and three way valves
A strainer is used to keep foreign materials out of line - CORRECT ANSWER-On the
inlet side of the foot valve
The bridge wall making is - CORRECT ANSWER-usually found on globe valves and is
an indication
What is a bushing - CORRECT ANSWER-to connect the male end to the female and of
the fitting of a large size
What does the pitch refer to - CORRECT ANSWER-the distance between adjacent
screw threads when measure center to center, also referred to thread for inch.
A leakage detection hole - CORRECT ANSWER-also known as. sweep hole or tell-tale
hole is drilled into the side of the saddle.
A weld outlet is - CORRECT ANSWER-a straight run pipe that make a 90 degree
reducing branch
Never enter a trench - CORRECT ANSWER-unless you have approved from your
competent person.
Ladder and ramps used as exits - CORRECT ANSWER-must be located 25 feet in any
trench is over 4 feet deep
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