PIPEFITTER STAR EXAM WITH VERIFIED
QUESTIONS AND ANSWERS|| ALREADY
GRADED A+|| GUARANTEED PASS|| LATEST
VERSION 2025
Compute the grade for a condensate drain which falls 13¹⁄₂" in a run of 72'.
G = __________" per foot - ANSWER-3/16"
The Advance in a 45° offset is ________ if the Travel is 4'- 3". - ANSWER-36
1/16"
Compute the Advance to the nearest sixteenth of an inch on a 45 degree offset if
the Travel equals 5'-7 1/4" . - ANSWER-3'-11 9/16"
Compute the grade in inches per foot if TF = 3/4" and D = 36"
G = ______ per foot - ANSWER-1/4
What is the advantage of a rolling offset? - ANSWER-It eliminates the use of at
least one piece of pipe and one fitting.
What is the pressure at the bottom of a tank that is 10' long 6' wide and 8' deep
filled with water? - ANSWER-3.46
What is the specific gravity of water? - ANSWER-1
,How much heat is required to raise 1/2 pound of water 1 degree F? - ANSWER-
1/2 BTU
The combining of more than one metal is: - ANSWER-Alloying
The pressure exerted by a liquid at rest is: - ANSWER-Hydrostatic
The letters MSDS stand for: - ANSWER-Material Safety Data Sheets
How often should the atmosphere be tested in a confined space? - ANSWER-
Continuously
An exit from a trench should be no more than: - ANSWER-25' from any worker
To raise the boom of a crane: - ANSWER-Point the thumb up
Steam condensate lines should use: - ANSWER-Sch 80 Steel pipe
Steam condensate lines should be installed on: - ANSWER-Roller hangers
What is installed after the isolation valve and before the trap union on a
standard trap assembly? - ANSWER-Strainer
A rating of 300# refers to a flange's: - ANSWER-Pressure Rating
A mixing valve has ______ inlets and _____ outlets. - ANSWER-2 and 1
,What instrument is best for measuring vacuum? - ANSWER-Manometer
What do the first two digits mean in E7018 electrodes? - ANSWER-The tensile
strength of the rod in PSI times 1000
What are the main differences between soldeflng and brazing? - ANSWER-The
temperature that the joints are made, the flux, and temperatures of the system
What temperature does water boil at sea level? - ANSWER-212° F
What is on the low side of the vapor compression cycle? - ANSWER-The
evaporator
What type of copper is recommended for refrigeration? - ANSWER-Type L
What is the expansion and compression of water vapor in a pump? - ANSWER-
Cavitation
Why is it necessary to use flux on a soldered Joint? - ANSWER-To chemically
prepare the pieces for soldering
A ________ offset is another name for a compound offset? - ANSWER-rolling
Find the cross-sectional area, in square feet, of a steel pipe with an outside
diameter of 18".
A = ____ sq. ft. - ANSWER-1.77
Find the perimeter of a rectangle whose length is 10.75' and width is 6.25'. -
ANSWER-34
, Compute the total fall to the nearest eighth of an inch, for a drain line 148' long,
installed with a 2% grade.
TF = _______ - ANSWER-2' 11 1/2"
Which way should the bevel face on an orifice plate? - ANSWER-Down Stream
What is the best gasket to use on a flanged joint on medium pressure steam? -
ANSWER-Spiral Wound
What is the standard pressure range for a pneumatic signal? - ANSWER-3-15
PSI
Which one of the following is typically a final control element? - ANSWER-
Valve
Which one of the following measures and takes action? - ANSWER-Controller
What type of sensor is directly in the process stream? - ANSWER-Immersion
The 6G welding position is: - ANSWER-With the weld at a 45 degree angle
Soidered joints should never be used on systems above: - ANSWER-250
Degrees
When a soldered joint is overheated - ANSWER-The flux burns and the joint
becomes ineffective
In a Hydronic heating system, units at the top of the system not heating are
likely to be: - ANSWER-Air bound
QUESTIONS AND ANSWERS|| ALREADY
GRADED A+|| GUARANTEED PASS|| LATEST
VERSION 2025
Compute the grade for a condensate drain which falls 13¹⁄₂" in a run of 72'.
G = __________" per foot - ANSWER-3/16"
The Advance in a 45° offset is ________ if the Travel is 4'- 3". - ANSWER-36
1/16"
Compute the Advance to the nearest sixteenth of an inch on a 45 degree offset if
the Travel equals 5'-7 1/4" . - ANSWER-3'-11 9/16"
Compute the grade in inches per foot if TF = 3/4" and D = 36"
G = ______ per foot - ANSWER-1/4
What is the advantage of a rolling offset? - ANSWER-It eliminates the use of at
least one piece of pipe and one fitting.
What is the pressure at the bottom of a tank that is 10' long 6' wide and 8' deep
filled with water? - ANSWER-3.46
What is the specific gravity of water? - ANSWER-1
,How much heat is required to raise 1/2 pound of water 1 degree F? - ANSWER-
1/2 BTU
The combining of more than one metal is: - ANSWER-Alloying
The pressure exerted by a liquid at rest is: - ANSWER-Hydrostatic
The letters MSDS stand for: - ANSWER-Material Safety Data Sheets
How often should the atmosphere be tested in a confined space? - ANSWER-
Continuously
An exit from a trench should be no more than: - ANSWER-25' from any worker
To raise the boom of a crane: - ANSWER-Point the thumb up
Steam condensate lines should use: - ANSWER-Sch 80 Steel pipe
Steam condensate lines should be installed on: - ANSWER-Roller hangers
What is installed after the isolation valve and before the trap union on a
standard trap assembly? - ANSWER-Strainer
A rating of 300# refers to a flange's: - ANSWER-Pressure Rating
A mixing valve has ______ inlets and _____ outlets. - ANSWER-2 and 1
,What instrument is best for measuring vacuum? - ANSWER-Manometer
What do the first two digits mean in E7018 electrodes? - ANSWER-The tensile
strength of the rod in PSI times 1000
What are the main differences between soldeflng and brazing? - ANSWER-The
temperature that the joints are made, the flux, and temperatures of the system
What temperature does water boil at sea level? - ANSWER-212° F
What is on the low side of the vapor compression cycle? - ANSWER-The
evaporator
What type of copper is recommended for refrigeration? - ANSWER-Type L
What is the expansion and compression of water vapor in a pump? - ANSWER-
Cavitation
Why is it necessary to use flux on a soldered Joint? - ANSWER-To chemically
prepare the pieces for soldering
A ________ offset is another name for a compound offset? - ANSWER-rolling
Find the cross-sectional area, in square feet, of a steel pipe with an outside
diameter of 18".
A = ____ sq. ft. - ANSWER-1.77
Find the perimeter of a rectangle whose length is 10.75' and width is 6.25'. -
ANSWER-34
, Compute the total fall to the nearest eighth of an inch, for a drain line 148' long,
installed with a 2% grade.
TF = _______ - ANSWER-2' 11 1/2"
Which way should the bevel face on an orifice plate? - ANSWER-Down Stream
What is the best gasket to use on a flanged joint on medium pressure steam? -
ANSWER-Spiral Wound
What is the standard pressure range for a pneumatic signal? - ANSWER-3-15
PSI
Which one of the following is typically a final control element? - ANSWER-
Valve
Which one of the following measures and takes action? - ANSWER-Controller
What type of sensor is directly in the process stream? - ANSWER-Immersion
The 6G welding position is: - ANSWER-With the weld at a 45 degree angle
Soidered joints should never be used on systems above: - ANSWER-250
Degrees
When a soldered joint is overheated - ANSWER-The flux burns and the joint
becomes ineffective
In a Hydronic heating system, units at the top of the system not heating are
likely to be: - ANSWER-Air bound
