Page 1 of 108
PIPEFITTER STAR REVIEW EXAM NEWEST 2026
ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {320 Q & A} ALREADY GRADED A+ |
BRAND NEW! | 100% GUARANTEED PASS
A bushing is not a good replacement for a reducer because
_______
a. they are stronger than reducers
b. they are weaker than reducers
c. they offer more resistance to flow than reducers.
d. they take up less than reducers - ✔✔✔ Correct Answer > c. they
offer more resistance to flow than reducers.
What is the primary function of a flux?
a. To create capillary action
b. To lubricate tube ends to aid in cup fitting installation
c. To chemically clean the surfaces to be soldered or brazed
d. To chemically bond the pieces to be joined - ✔✔✔ Correct Answer >
c. To chemically clean the surfaces to be soldered or brazed
,Page 2 of 108
To assemble a four-bolt flange
a. set up opposite bolts fairly tight, and then tighten the bolts
equally in a crossing pattern
b. tighten all bolts firmly in a clockwise manner
c. start the nuts and tighten all bolts in a counterclockwise
manner.
d. tighten the top bolt firmly, followed by the side bolts, and finish
with the bottom bolt - ✔✔✔ Correct Answer > a. set up opposite bolts
fairly tight, and then tighten the bolts equally in a crossing
pattern
What is the main reason for the taper on a pipe thread?
a. eliminates the use of couplings
b. ensures a progressively tighter fit
c. allows for tolerance on length
d. simplifies the assembly - ✔✔✔ Correct Answer > b. ensures a
progressively tighter fit
How far should a copper tube be inserted into a cup for a brazed
joint?
a. all the way to the shoulder
b. halfway into the cup minimum
,Page 3 of 108
c. a minimum of a one diameter of the tube
d. 1/4" back from the shoulder - ✔✔✔ Correct Answer > a. all the way to
the shoulder
To ensure that a PVC joint is made up properly:
a. insert the pipe into the fitting and hold
b. insert the pipe into the fitting, turn the pipe 1/4 and hold
c. allow the glue top set and then insert the fitting onto the pipe
d. insert the pipe onto the fitting, and then re-glue the outside of
the pipe and fitting. - ✔✔✔ Correct Answer > b. insert the pipe into the
fitting, turn the pipe 1/4 and hold
To align a flange with 8 bolt holes, you need to perform what is
called a __ hole.
a. 1
b. 2
c. 3
d. 4 - ✔✔✔ Correct Answer > b. 2
What should be done to prepare a flange for the gasket
installation?
a. grind the flange faces smooth
b. lubricated the flange faces
, Page 4 of 108
c. nothing because the faces are prepared at the factory
d. remove any paint, rust, and debris - ✔✔✔ Correct Answer > d.
remove any paint, rust, and debris
At what pipe size does the nominal sizing change from inside
diameter to outside diameter?
a. 8"
b. 10"
c. 12"
d. 14" - ✔✔✔ Correct Answer > d. 14"
A single line on a piping drawing represents the _____ of the pipe
a. top
b. bottom
c. center
d. nearest wall - ✔✔✔ Correct Answer > c. center
How many directions are on an isometric compass?
a. 2
b. 4
c. 6
d. 8 - ✔✔✔ Correct Answer > c. 6
PIPEFITTER STAR REVIEW EXAM NEWEST 2026
ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {320 Q & A} ALREADY GRADED A+ |
BRAND NEW! | 100% GUARANTEED PASS
A bushing is not a good replacement for a reducer because
_______
a. they are stronger than reducers
b. they are weaker than reducers
c. they offer more resistance to flow than reducers.
d. they take up less than reducers - ✔✔✔ Correct Answer > c. they
offer more resistance to flow than reducers.
What is the primary function of a flux?
a. To create capillary action
b. To lubricate tube ends to aid in cup fitting installation
c. To chemically clean the surfaces to be soldered or brazed
d. To chemically bond the pieces to be joined - ✔✔✔ Correct Answer >
c. To chemically clean the surfaces to be soldered or brazed
,Page 2 of 108
To assemble a four-bolt flange
a. set up opposite bolts fairly tight, and then tighten the bolts
equally in a crossing pattern
b. tighten all bolts firmly in a clockwise manner
c. start the nuts and tighten all bolts in a counterclockwise
manner.
d. tighten the top bolt firmly, followed by the side bolts, and finish
with the bottom bolt - ✔✔✔ Correct Answer > a. set up opposite bolts
fairly tight, and then tighten the bolts equally in a crossing
pattern
What is the main reason for the taper on a pipe thread?
a. eliminates the use of couplings
b. ensures a progressively tighter fit
c. allows for tolerance on length
d. simplifies the assembly - ✔✔✔ Correct Answer > b. ensures a
progressively tighter fit
How far should a copper tube be inserted into a cup for a brazed
joint?
a. all the way to the shoulder
b. halfway into the cup minimum
,Page 3 of 108
c. a minimum of a one diameter of the tube
d. 1/4" back from the shoulder - ✔✔✔ Correct Answer > a. all the way to
the shoulder
To ensure that a PVC joint is made up properly:
a. insert the pipe into the fitting and hold
b. insert the pipe into the fitting, turn the pipe 1/4 and hold
c. allow the glue top set and then insert the fitting onto the pipe
d. insert the pipe onto the fitting, and then re-glue the outside of
the pipe and fitting. - ✔✔✔ Correct Answer > b. insert the pipe into the
fitting, turn the pipe 1/4 and hold
To align a flange with 8 bolt holes, you need to perform what is
called a __ hole.
a. 1
b. 2
c. 3
d. 4 - ✔✔✔ Correct Answer > b. 2
What should be done to prepare a flange for the gasket
installation?
a. grind the flange faces smooth
b. lubricated the flange faces
, Page 4 of 108
c. nothing because the faces are prepared at the factory
d. remove any paint, rust, and debris - ✔✔✔ Correct Answer > d.
remove any paint, rust, and debris
At what pipe size does the nominal sizing change from inside
diameter to outside diameter?
a. 8"
b. 10"
c. 12"
d. 14" - ✔✔✔ Correct Answer > d. 14"
A single line on a piping drawing represents the _____ of the pipe
a. top
b. bottom
c. center
d. nearest wall - ✔✔✔ Correct Answer > c. center
How many directions are on an isometric compass?
a. 2
b. 4
c. 6
d. 8 - ✔✔✔ Correct Answer > c. 6
