Page 1 of 117
PIPEFITTER STAR EXAM NEWEST 2026 ACTUAL
EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {800 Q & A} ALREADY GRADED A+ |
BRAND NEW! | 100% GUARANTEED PASS
What do the first two digits mean in E7018 electrodes? - ✔✔✔
Correct Answer > The tensile strength of the rod in PSI times 1000
The gradually expanding shape of the casing passage of a
centrifugal pump is known as the ____________ . - ✔✔✔ Correct Answer
> volute
An alloy is a substance made up of ________ or more metals. -
✔✔✔ Correct Answer > two
Close alignment is not necessary for pumps which have flexible
couplings between the motor shaft and the pump. - ✔✔✔ Correct
Answer > f
What are the main differences between soldeflng and brazing? -
✔✔✔ Correct Answer > The temperature that the joints are made, the
flux, and temperatures of the system
,Page 2 of 117
What temperature does water boil at sea level? - ✔✔✔ Correct Answer
> 212° F
What is on the low side of the vapor compression cycle? - ✔✔✔
Correct Answer > The evaporator
What type of copper is recommended for refrigeration? - ✔✔✔
Correct Answer > Type L
What is the expansion and compression of water vapor in a
pump? - ✔✔✔ Correct Answer > Cavitation
Why is it necessary to use flux on a soldered Joint? - ✔✔✔ Correct
Answer > To chemically prepare the pieces for soldering
Annealing copper - ✔✔✔ Correct Answer > Softens it
What is capillary action7 - ✔✔✔ Correct Answer > The flow of a liquid
into a small space
Which of the following is not a confined space? - ✔✔✔ Correct Answer
> A service tunnel connecting two buildings
,Page 3 of 117
Before attaching regulators to an oxygen cylinder - ✔✔✔ Correct
Answer > Blow the valves for a moment
What should be done first when preparing a copper joint? - ✔✔✔
Correct Answer > Clean all surfaces
When a fluxed joint is overheated it will not: - ✔✔✔ Correct Answer >
Fuse
Guides are used near: - ✔✔✔ Correct Answer > Anchors
What is used to soften PVC and remove the gloss? - ✔✔✔ Correct
Answer > Primer
A device that mechanically attachtes to the side of a flange on a
beam is called: - ✔✔✔ Correct Answer > Beam clamp
Sometimes a dielectric union is installed between the pump and
the first section of galvanized pipe in a well. - ✔✔✔ Correct Answer > t
In an open Hg manometer the difference in the Hg levels equal 5
in. What is the pressure in psig? - ✔✔✔ Correct Answer > 2.5 psig
, Page 4 of 117
Anodic protection be used to control corrosion of buried or
immersed metallic waterlines and tanks - ✔✔✔ Correct Answer > f
The ____________ atom is the simplest of all the atoms containing
only one proton (as its nucleus) and one electron. - ✔✔✔ Correct
Answer > hydrogen
Zinc offers the same type of cathodic protection as aluminum. -
✔✔✔ Correct Answer > t
How many Btu are required to change 20 gal of water at 212°F to
steam at 212°F? - ✔✔✔ Correct Answer > 161,668 Btu
A body immersed in fluid loses as much weight as the weight of
the fluid it displaces. - ✔✔✔ Correct Answer > t
What are the desirable characteristics of 95-5 tin/antimony
solder? - ✔✔✔ Correct Answer > Can be used on potable water
systems
Does not contain lead
High shear strength
All of the above
PIPEFITTER STAR EXAM NEWEST 2026 ACTUAL
EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {800 Q & A} ALREADY GRADED A+ |
BRAND NEW! | 100% GUARANTEED PASS
What do the first two digits mean in E7018 electrodes? - ✔✔✔
Correct Answer > The tensile strength of the rod in PSI times 1000
The gradually expanding shape of the casing passage of a
centrifugal pump is known as the ____________ . - ✔✔✔ Correct Answer
> volute
An alloy is a substance made up of ________ or more metals. -
✔✔✔ Correct Answer > two
Close alignment is not necessary for pumps which have flexible
couplings between the motor shaft and the pump. - ✔✔✔ Correct
Answer > f
What are the main differences between soldeflng and brazing? -
✔✔✔ Correct Answer > The temperature that the joints are made, the
flux, and temperatures of the system
,Page 2 of 117
What temperature does water boil at sea level? - ✔✔✔ Correct Answer
> 212° F
What is on the low side of the vapor compression cycle? - ✔✔✔
Correct Answer > The evaporator
What type of copper is recommended for refrigeration? - ✔✔✔
Correct Answer > Type L
What is the expansion and compression of water vapor in a
pump? - ✔✔✔ Correct Answer > Cavitation
Why is it necessary to use flux on a soldered Joint? - ✔✔✔ Correct
Answer > To chemically prepare the pieces for soldering
Annealing copper - ✔✔✔ Correct Answer > Softens it
What is capillary action7 - ✔✔✔ Correct Answer > The flow of a liquid
into a small space
Which of the following is not a confined space? - ✔✔✔ Correct Answer
> A service tunnel connecting two buildings
,Page 3 of 117
Before attaching regulators to an oxygen cylinder - ✔✔✔ Correct
Answer > Blow the valves for a moment
What should be done first when preparing a copper joint? - ✔✔✔
Correct Answer > Clean all surfaces
When a fluxed joint is overheated it will not: - ✔✔✔ Correct Answer >
Fuse
Guides are used near: - ✔✔✔ Correct Answer > Anchors
What is used to soften PVC and remove the gloss? - ✔✔✔ Correct
Answer > Primer
A device that mechanically attachtes to the side of a flange on a
beam is called: - ✔✔✔ Correct Answer > Beam clamp
Sometimes a dielectric union is installed between the pump and
the first section of galvanized pipe in a well. - ✔✔✔ Correct Answer > t
In an open Hg manometer the difference in the Hg levels equal 5
in. What is the pressure in psig? - ✔✔✔ Correct Answer > 2.5 psig
, Page 4 of 117
Anodic protection be used to control corrosion of buried or
immersed metallic waterlines and tanks - ✔✔✔ Correct Answer > f
The ____________ atom is the simplest of all the atoms containing
only one proton (as its nucleus) and one electron. - ✔✔✔ Correct
Answer > hydrogen
Zinc offers the same type of cathodic protection as aluminum. -
✔✔✔ Correct Answer > t
How many Btu are required to change 20 gal of water at 212°F to
steam at 212°F? - ✔✔✔ Correct Answer > 161,668 Btu
A body immersed in fluid loses as much weight as the weight of
the fluid it displaces. - ✔✔✔ Correct Answer > t
What are the desirable characteristics of 95-5 tin/antimony
solder? - ✔✔✔ Correct Answer > Can be used on potable water
systems
Does not contain lead
High shear strength
All of the above
