Which of the following is a common metal used in the plumbing industry?

• Gold

• Copper

• Silver

• Titanium

What category can metals used in plumbing be divided into?

• Organic and Inorganic

• Ferrous and Non-ferrous

• Synthetic and Natural

• Conductive and Non-conductive

Which of the following is a characteristic of ferrous metals?

• They are non-magnetic.

• They do not corrode easily.

• They contain iron.

• They are made of copper.

What is a common property of non-ferrous metals?

• They contain iron.

• They are magnetic.

• They are non-magnetic.

• They corrode easily.

Which of the following metals is non-ferrous?

• Iron

• Copper

• Steel

• Cast iron

Which metals are combined to form brass?

• Copper and tin

• Copper and zinc

• Iron and carbon

• Tin and copper

What is gunmetal composed of?

• Copper and zinc

• Copper, tin, and zinc

• Iron and carbon

• Tin and copper

Which alloy is made from iron and carbon?

• Brass

• Bronze

• Steel

• Solder

What type of metal is copper classified as?

• Alloy of iron and carbon

• Pure metal

• Alloy of copper and zinc

• Alloy of iron, carbon, chromium and nickel

Which metal is commonly used for industrial and commercial pipe and fittings?

• Brass

• Aluminium

• Stainless steel

• Lead