Pipefitter Star Exam 2025 UPDATE Verified Questions
And Answers | Guaranteed Success!!
What causes 90% of all construction injuries and deaths and are used to help
OSHA inspectors improve their effectiveness? - ...(ANSWERS)....Focus Hazards
What is the minimum safe working distance for overhead power lines? -
...(ANSWERS)....10 feet
What is the standard procedure used to safely de-energize equipment on circuits
before they are worked on? - ...(ANSWERS)....Lockout/Tagout
Which of the following is not true about Material Safety Data Sheets? -
...(ANSWERS)....They can be written in any language
What are the four focus inspections OSHA compliance officers look for? -
...(ANSWERS)....Fall Hazards, Electrical Hazards, Caught in, Struck by
The sizes of pipe are identified by the measurement called the: -
...(ANSWERS)....Nominal pipe size NPS
Steel pipe is supplied with the following end finish (es): - ...(ANSWERS)....PESC, T
& C TBE
(All of the above)
,What is a typical type of welded pipe joints? - ...(ANSWERS)....Butt-welded,
Socket-welded, Slip-on Flanged (All of the above)
List the four principle functions of valves. - ...(ANSWERS)....Start/Stop,
Regulate/Throttle, Relief, Reduce
Regulating or throttling flow is done with a: - ...(ANSWERS)....Both B and C, (globe
and gate valve)
Name the two basic types of check valves. - ...(ANSWERS)....Lift and Swing
The most common hanger used in piping systems is the: - ...(ANSWERS)....Clevis
Never expose any part of a compressed gas cylinder to temperatures above: -
...(ANSWERS)....125°F
The four types of copper tube joints are soldered, brazed, flared and _____? -
...(ANSWERS)....compression
What is the maximum recommended service temperature when a brazed joint is
used? - ...(ANSWERS)....350 degrees F
Poor alignment of tube joints will cause: - ...(ANSWERS)....spacing difference
between tubes and fittings
,After fittings and tubes are cleaned and fluxed they should be assembled and
soldered: - ...(ANSWERS)....as soon as possible
Name three basic hitches which can be used for lifting with a sling -
...(ANSWERS)....Straight, Choker, Basket
Which hitch can support the most weight? - ...(ANSWERS)....Basket hitch
Why should the angle between the leg of a sling and the load never be less than
30 degrees? - ...(ANSWERS)....More stress loads are applied on slings.
What is the weakest part of a chain hoist? - ...(ANSWERS)....Lower hook
An oxyacetylene flame has a peak temperature of approximately: -
...(ANSWERS)....6300°F
What is the purpose of slightly opening/cracking a gas cylinder valve before
installing a gas regulator? - ...(ANSWERS)....clear debris
Why is it important to ensure that no part of the oxygen handling equipment
comes in contact with oil? - ...(ANSWERS)....causes an explosion
, What is the constant used to find the travel with a 45 degree offset? -
...(ANSWERS)....1.414
What is the constant used to find the offset or advance with a 45o offset? -
...(ANSWERS).....707
Add: 5 1/8 + 1 1/4 + 4 ½ = - ...(ANSWERS)....10 7/8
Subtract: 9 5/8 - 6 15/16 = - ...(ANSWERS)....2 11/16
Multiply: 3 1/5 x 1 ¼ x 1 1/3 = - ...(ANSWERS)....5 1/3
Divide: 11 ¼ by 2 ½ = - ...(ANSWERS)....4 1/2
Change the following to architectural measurements 3.96': - ...(ANSWERS)....3' -
11 ½"
MSDS is part of the "right to know" law. - ...(ANSWERS)....t
IDLH is an individual's daily level of hazards - ...(ANSWERS)....f
Inhalation, ingestion, absorption and injection are four routes of entry. -
...(ANSWERS)....t
And Answers | Guaranteed Success!!
What causes 90% of all construction injuries and deaths and are used to help
OSHA inspectors improve their effectiveness? - ...(ANSWERS)....Focus Hazards
What is the minimum safe working distance for overhead power lines? -
...(ANSWERS)....10 feet
What is the standard procedure used to safely de-energize equipment on circuits
before they are worked on? - ...(ANSWERS)....Lockout/Tagout
Which of the following is not true about Material Safety Data Sheets? -
...(ANSWERS)....They can be written in any language
What are the four focus inspections OSHA compliance officers look for? -
...(ANSWERS)....Fall Hazards, Electrical Hazards, Caught in, Struck by
The sizes of pipe are identified by the measurement called the: -
...(ANSWERS)....Nominal pipe size NPS
Steel pipe is supplied with the following end finish (es): - ...(ANSWERS)....PESC, T
& C TBE
(All of the above)
,What is a typical type of welded pipe joints? - ...(ANSWERS)....Butt-welded,
Socket-welded, Slip-on Flanged (All of the above)
List the four principle functions of valves. - ...(ANSWERS)....Start/Stop,
Regulate/Throttle, Relief, Reduce
Regulating or throttling flow is done with a: - ...(ANSWERS)....Both B and C, (globe
and gate valve)
Name the two basic types of check valves. - ...(ANSWERS)....Lift and Swing
The most common hanger used in piping systems is the: - ...(ANSWERS)....Clevis
Never expose any part of a compressed gas cylinder to temperatures above: -
...(ANSWERS)....125°F
The four types of copper tube joints are soldered, brazed, flared and _____? -
...(ANSWERS)....compression
What is the maximum recommended service temperature when a brazed joint is
used? - ...(ANSWERS)....350 degrees F
Poor alignment of tube joints will cause: - ...(ANSWERS)....spacing difference
between tubes and fittings
,After fittings and tubes are cleaned and fluxed they should be assembled and
soldered: - ...(ANSWERS)....as soon as possible
Name three basic hitches which can be used for lifting with a sling -
...(ANSWERS)....Straight, Choker, Basket
Which hitch can support the most weight? - ...(ANSWERS)....Basket hitch
Why should the angle between the leg of a sling and the load never be less than
30 degrees? - ...(ANSWERS)....More stress loads are applied on slings.
What is the weakest part of a chain hoist? - ...(ANSWERS)....Lower hook
An oxyacetylene flame has a peak temperature of approximately: -
...(ANSWERS)....6300°F
What is the purpose of slightly opening/cracking a gas cylinder valve before
installing a gas regulator? - ...(ANSWERS)....clear debris
Why is it important to ensure that no part of the oxygen handling equipment
comes in contact with oil? - ...(ANSWERS)....causes an explosion
, What is the constant used to find the travel with a 45 degree offset? -
...(ANSWERS)....1.414
What is the constant used to find the offset or advance with a 45o offset? -
...(ANSWERS).....707
Add: 5 1/8 + 1 1/4 + 4 ½ = - ...(ANSWERS)....10 7/8
Subtract: 9 5/8 - 6 15/16 = - ...(ANSWERS)....2 11/16
Multiply: 3 1/5 x 1 ¼ x 1 1/3 = - ...(ANSWERS)....5 1/3
Divide: 11 ¼ by 2 ½ = - ...(ANSWERS)....4 1/2
Change the following to architectural measurements 3.96': - ...(ANSWERS)....3' -
11 ½"
MSDS is part of the "right to know" law. - ...(ANSWERS)....t
IDLH is an individual's daily level of hazards - ...(ANSWERS)....f
Inhalation, ingestion, absorption and injection are four routes of entry. -
...(ANSWERS)....t
