GPT Tools & Equipment Operation 2

Question 1

Which tool is used to cut steel gas pipe to a precise length in the field?

Accepted Answer

Pipe cutter (wheel-type)

Answer

Reciprocating saw

Answer

Angle grinder with abrasive disc

Answer

Hacksaw with coarse blade

Question 2

When threading steel gas pipe, what is the correct order of operations?

Accepted Answer

Cut, ream, thread, apply dope

Answer

Thread, cut, ream, apply dope

Answer

Ream, cut, thread, apply dope

Answer

Cut, thread, ream, apply dope

Question 3

What is the primary purpose of a pipe reamer in gas piping work?

Accepted Answer

Removing the internal burr left by pipe cutting

Answer

Enlarging pipe diameter to the next nominal size

Answer

Cleaning rust from the interior of old pipe

Answer

Checking roundness of the pipe end

Question 4

A pipe die set is labeled '3/4 NPT.' What does NPT stand for?

Accepted Answer

National Pipe Thread

Answer

Normal Pressure Taper

Answer

National Pressure Tubing

Answer

Nominal Pipe Taper

Question 5

Which type of wrench is BEST suited for tightening a large-diameter steel gas pipe fitting in a tight space?

Accepted Answer

Offset pipe wrench

Answer

Chain pipe wrench

Answer

Strap wrench

Answer

Crescent adjustable wrench

Question 6

What hazard is associated with using an electric drill near a gas leak during repair work?

Accepted Answer

Risk of ignition from motor brushes sparking

Answer

Magnetic field interference with gas detectors

Answer

Excessive vibration causing pipe joint failure

Answer

Ground fault causing regulator malfunction

Question 7

When using a pipe vise to hold gas pipe for threading, where should the vise be positioned relative to the die head?

Accepted Answer

As close as practical to the cut end being threaded

Answer

At least 6 feet away for safety clearance

Answer

At the exact midpoint of the pipe length

Answer

Directly behind the operator for counter-torque