QUESTIONS WITH DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS) /ALREADY GRADED
A+
What is used to open flanges for the installation of a test blind?
A. Pipe wrench
B. C-Clamp
C. Flange spreader
D. Pry bar - ANSWER -C. Flange spreader
How should bolts on an 8-bolt flange be tightened?
A. In a circular pattern
B. In a cross-over pattern
C. Tighten each bolt to finger tightness then use channel locks.
D. Tighten each bolt until the top of the bolt is even with the top of the nut -
ANSWER -B. In a cross-over pattern
Piping that is field-routed to a pump must be supported:
A. off the pump suction.
B. diagonally.
C. independently.
D. off the pump discharge. - ANSWER -C. independently.
The MINIMUM number of pre-heat holes for liquefied fuel tips is:
A. 2
B. 4
C. 6
D. 8 - ANSWER -C. 6
Stainless steel material is generally used for pipes requiring protection from:
A. corrosion.
,B. erosion.
C. pressure.
D. temperature. - ANSWER -A. corrosion.
To braze copper tubing you would use a(n):
A. propane torch
B. butane torch
C. heat gun
D. oxyfuel torch - ANSWER -D. oxyfuel torch
What MINIMUM number of bolts can be removed from an 8-bolt flange when a
slip blind is inserted for hydrotesting?
A. 2
B. 3
C. 4
D. 5 - ANSWER -B. 3
What is used when lighting a cutting torch?
A. Striker
B. Cigarette lighter
C. Match
D. Any open flame - ANSWER -A. Striker
The majority of pipehangers and supports are coated with zinc-rich galvanizer to:
A. provide for a flexible support.
B. verify color code for pipe supports.
C. reduce friction in pipe supports.
D. provide corrosion resistance of pipe supports. - ANSWER -D. provide corrosion
resistance of pipe supports.
A 90 ˚ rolling off set with a 3" rise and a 4" roll using 2" 3,000# SW fittings would
have a cut length of:
A. 4' 7 ¾"
B. 4' 8 ¼"
C. 4' 8 ½"
, D. 4' 8 ¾" - ANSWER -D. 4' 8 ¾"
When steam comes in contact with condensate, it is called:
A. water hammer.
B. cavitation.
C. over-pressurization.
D. vapor lock. - ANSWER -B. cavitation.
At what depth is a ladder required for access and egress into an excavation?
A. 2'
B. 4'
C. 5'
D. 8' - ANSWER -B. 4'
What type of sling should not be used on a stainless steel valve?
A. Carbon steel
B. Polyester
C. Nylon
D. Synthetic - ANSWER -C. Nylon
What is the MAXIMUM distance a worker must travel to a ladder to exit a trench?
A. 20'
B. 25'
C. 30'
D. 35' - ANSWER -B. 25'
What is the standard torqueing value of the Victaulic coupling bolts?
A. No torqueing is required
B. 40 inch pounds
C. 60 inch pounds
D. 80 inch pounds - ANSWER -A. No torqueing is required
The needle valve is used to:
A. start and stop the flow.
B. regulate flow.