Level 1 Plumbing Science

Which of these materials is known for being non-metallic?

• Ferrous metals

• Non-ferrous metals

• Plastics

• Alloys

Which material is often chosen for its aesthetic qualities in plumbing fixtures?

• Ceramics

• Ferrous metals

• Non-ferrous metals

• Alloys

Which of the following is a common plumbing appliance made from metal?

• Wooden cabinet

• Metal faucet

• Plastic bucket

• Rubber hose

What happens to ferrous metals if left unprotected?

• They melt

• They corrode

• They expand

• They become non-magnetic

In what application is cast iron used according to the text?

• Electrical circuits

• Pumps

• Roofing

• Windows

Which of the following is a ferrous metal used in baths?

• Aluminum

• Steel

• Brass

• Zinc

What is a common characteristic of all ferrous metals?

• They are non-conductive

• They are magnetic

• They are lightweight

• They are transparent

Which of the following metals are non-ferrous?

• Iron

• Steel

• Copper

• Cast iron

Why are non-ferrous metals not attracted to magnets?

• They contain iron.

• They do not contain iron.

• They are too heavy.

• They are too light.

Which of the following is NOT an example of a non-ferrous metal?

• Lead

• Aluminium

• Zinc

• Steel