Pipe Fitters Practical Pre-Test Questions And Answers

Pipe Fitters Practical Pre-Test Questions And Answers
What does the term nominal pipe size mean? ANS The I.D of the pipe is close to, but not exact
for given size.


What is the Pipe size range designated by their I.D. ? ANS 1/8" to 12"


The O.D. on schedule: STD 40, XS 80, and XXS 160 are the same for a given pipe size. True or
False ANS True



Which type of flange is welded to the pipe in two locations? ANS Slip - On



Which type of gasket should be installed with a raised face flange? ANS Ring Gasket



What size wrench would be required to tighten a 1" diameter stud bolt with XH nuts? ANS 1-
5/8"



How is a gate valve to be used in a piping system? ANS Fully open or Fully closed



What is a globe valve's normal use in a piping system? ANS Throttling



What categories are Pipe threads in one industry are classified? ANS N.P.T. (National Pipe
Thread) also known as N.P.S. ( National Pipe Size)



Are couplings fittings that help change direction? ANS False



A full face gasket is used on what type of flange applications? ANS Flat Face Flanges



Which reducer is used in piping applications where it is important to keep a constant center?
ANS Concentric reducer