Pipefitter III Exam Questions and Answers (100% Correct)

When riser clamps are used to support insulated pipes, the insulation is_______________. - ANSWER put on over the clamp also Some pipe clamps are attached to the walls directly. - ANSWER True Pipe supports can be fabricated in the field as long as they_______________. - ANSWER meet design specifications An expansion case expands to secure itself when a threaded rod is________________. - ANSWER screwed into it Toggle bolts are used to fasten a part to a - ANSWER hollow wall Spring cans are set to a______________setting before the pipeline is put into Service. - ANSWER cold load A variable spring can support is used to support piping that moves vertically and_______________ - ANSWER does not require constant support Spring deflection rate is a constant for each size of a support series. - ANSWER False The short spring can is used where . - ANSWER movement is relatively small A Type A spring can is attached at the top by - ANSWER a threaded rod The difference between Type B and Type C variable spring cans is the____________________. - ANSWER number of lugs at the top Type D and E spring cans are . - ANSWER mounted on top of beams A Type F spring can is_____________________. - ANSWER supported on the floor In constant supports the spring force times the distance to lever pivot point is equal to the__________times the distance to the pivot point. - ANSWER pipe load Travel stops are removed______________. - ANSWER after installation and testing of the run Foreign matter trapped in the weld metal is called a(n) _________________. - ANSWER inclusión Three basic types of cracks can occur in weld metal: transverse, longitudinal, and________________. - ANSWER crater