Which of the following is a correct statement regarding pipe threading?
A) Oil is not used during the threading process.
B) The threading machine should be used to tighten fittings onto pipe.
C) Once threading starts, it should continue until five threads extend past the die.
D) A tripod-mounted power threader is controlled with a foot pedal.
[Ques. 2] 
Which type of pipe measurement is shown in the figure above?
A) End-to-end
B) End-to-center
C) End-to-face
D) End-to-throat
[Ques. 3] The method used to measure a pipe with a fitting on one end is _____.
A) end-to-center
B) face-to-face
C) end-to-end
D) center-to-center
[Ques. 4] Which of the following situations requires a tee fitting?
A) A right angle turn to change the direction of the pipe.
B) The connection of two separate pipes.
C) A branch line that is at a 90-degree angle to the main pipe.
D) A 45-degree angle turn to change the direction of the pipe.
[Ques. 5] When performing overhead work on scaffolding, what protective measures must be taken to prevent objects
from falling and striking a person below?
A) Fall arrest systems are used.
B) Alarm systems should be enabled.
C) Toeboards, debris nets, or canopies must be applied.
D) Warning tags are posted on the scaffold.
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