PIPEFITTER NCCER LATEST EXAMS SCRIPT
QUESTIONS AND ANSWERS SURE A+
✔✔The movement of pipe that is caused by an increase in temperature is called
A) Hot spring
B) Thermal expansion
C) Heat swelling
D) Pipe stretching - ✔✔B
✔✔A cold spring relieves
A) Cavitation
B) Water hammer
C) Thermal expansion
D) Tension - ✔✔C
✔✔How many feet apart must oxygen and fuel gas cylinders be stored, unless there is
a 5 ft
high, 30 minute burn rated wall between them?
A) 5
B) 10
C) 15
D) 20 - ✔✔D
✔✔When performing a line break, first?
A) Break the bolts down & away from you
B) Loosen each bolt a little at a time
C) Break the bolts closest to you
D) Loosen bolts in a cross over pattern - ✔✔A
✔✔A pipe nipple is any length of threaded pipe that is shorter than
A) 12''
B) 13''
C) 14''
, D) 15'' - ✔✔A
✔✔What is the reference angle if the hypotenuse of a right triangle is 36'' and its
adjacent
side is 14''. ( pipefitters blue book)
A) 79 degrees
B) 67 degrees
C) 23 degrees
D) 21 degrees - ✔✔B
✔✔In piping systems, ball joints are installed to allow for?
A) Expansion and Contraction
C) Pressure Relief
B) Chemical Absorption
D) Open & Closing - ✔✔A
✔✔All of the following drawing dimensions are used to determine the overall length of
Run
of a pipe EXCEPT.
A) Pipe diameter
B) Center-to-center
C) Face-to-face
D) Center-to-face - ✔✔A
✔✔Ground fault circuit interrupters SHOULD be located
A) Closest to the power tool
B) At the source of power
C) On individual extension cords
D) On cords with only 3 prong connections - ✔✔D
✔✔What is the most important hazardous condition in or around an excavation?
A) Falls
B) Water
C) Cave-In
D) Vibration - ✔✔C
✔✔What happens when a misaligned pipe flange is bolted up to an aligned pump's
suction
flange ?
A) The speed of the motor will increase.
B) The pump and motor will be in alignment.
C) The speed of the motor will decrease.
D) The pump and motor will be out of alignment. - ✔✔D
QUESTIONS AND ANSWERS SURE A+
✔✔The movement of pipe that is caused by an increase in temperature is called
A) Hot spring
B) Thermal expansion
C) Heat swelling
D) Pipe stretching - ✔✔B
✔✔A cold spring relieves
A) Cavitation
B) Water hammer
C) Thermal expansion
D) Tension - ✔✔C
✔✔How many feet apart must oxygen and fuel gas cylinders be stored, unless there is
a 5 ft
high, 30 minute burn rated wall between them?
A) 5
B) 10
C) 15
D) 20 - ✔✔D
✔✔When performing a line break, first?
A) Break the bolts down & away from you
B) Loosen each bolt a little at a time
C) Break the bolts closest to you
D) Loosen bolts in a cross over pattern - ✔✔A
✔✔A pipe nipple is any length of threaded pipe that is shorter than
A) 12''
B) 13''
C) 14''
, D) 15'' - ✔✔A
✔✔What is the reference angle if the hypotenuse of a right triangle is 36'' and its
adjacent
side is 14''. ( pipefitters blue book)
A) 79 degrees
B) 67 degrees
C) 23 degrees
D) 21 degrees - ✔✔B
✔✔In piping systems, ball joints are installed to allow for?
A) Expansion and Contraction
C) Pressure Relief
B) Chemical Absorption
D) Open & Closing - ✔✔A
✔✔All of the following drawing dimensions are used to determine the overall length of
Run
of a pipe EXCEPT.
A) Pipe diameter
B) Center-to-center
C) Face-to-face
D) Center-to-face - ✔✔A
✔✔Ground fault circuit interrupters SHOULD be located
A) Closest to the power tool
B) At the source of power
C) On individual extension cords
D) On cords with only 3 prong connections - ✔✔D
✔✔What is the most important hazardous condition in or around an excavation?
A) Falls
B) Water
C) Cave-In
D) Vibration - ✔✔C
✔✔What happens when a misaligned pipe flange is bolted up to an aligned pump's
suction
flange ?
A) The speed of the motor will increase.
B) The pump and motor will be in alignment.
C) The speed of the motor will decrease.
D) The pump and motor will be out of alignment. - ✔✔D
