PC Plumber Tools & Equipment Handling 2

Question 1

What is the primary purpose of a pipe reamer after cutting pipe with a hacksaw?

Accepted Answer

To remove burrs and smooth the inside edge

Answer

A pipe reamer removes the burrs created during cutting so fittings seat properly and flow is not restricted.

Question 2

Which type of wrench is MOST appropriate for tightening large-diameter plastic PVC fittings?

Accepted Answer

Strap wrench

Answer

A strap wrench uses a flexible strap that grips without marring or cracking soft plastic fittings.

Question 3

A plumber's snake (hand auger) is being used to clear a clog. In which direction should the cable be rotated as it is fed into the drain?

Accepted Answer

Clockwise only

Answer

Rotating clockwise keeps the cable coils tight and allows the tip to bore through or hook the obstruction.

Question 4

When using a propane torch to sweat copper fittings, flux should be applied:

Accepted Answer

To both the pipe end and the inside of the fitting before assembly

Answer

Flux must coat both mating surfaces to remove oxidation and allow solder to flow evenly into the joint.

Question 5

Which tool is used to cut threads on the outside of a steel pipe?

Accepted Answer

Die

Answer

A die cuts male (external) threads on a pipe or rod, while a tap cuts female (internal) threads.

(PC) Plumber Certification Practice Test