Piping Materials

Pipes are classified by the

• inside diameter.

• outside diameter.

• inside diameter and wall thickness.

• outside diameter and wall thickness.

As the number of pipe schedule number increases, the thicker the pipe wall thickness.

• True

• False

What is coated on iron and steel pipe to prevent corrosion?

• Aluminium

• Copper

• Tin

• Zinc

The picture shows a

• pipe cutter.

• pipe bender.

• pipe support.

• pipe threader.

Which one of the following types of copper pipe has a thickest wall?

• Type K

• Type L

• Type M

• Type DWV

The colour code for Type L copper pipe is

• Red

• Blue

• Green

• Yellow

Which one of the following formulae is used to determine the arc length of a pipe bend?

• [(2π X diameter of bend) / 360°] x angle of bend

• (2πR x angle of bend ) / 360°        

• (2πR / angle of bend) x 360°

• [(2π X diameter of bend) /angle of bend] x360°

This picture shows a

• pipe cutter.

• tube cutter.

• pipe threader.

• pipe wrench.

The tool shown is a

• pipe cutter.

• pipe threader.

• pipe support.

• pipe wrench.

PVC pipe is only available in white colour.

• True

• False