6/4 Quiz on Non-Ferrous Metals

What does the term 'non-ferrous metals' refer to?

• Metals that contain iron

• Metals that do not contain any appreciable amounts of iron

• Metals that are magnetic

• Metals that are only alloys

Why is zinc used in alkaline batteries?

• Due to its high melting point

• Because of its strong electrochemical properties

• Because it is lightweight

• Due to its magnetic properties

What are the primary components of bronze?

• Copper and zinc

• Copper and tin

• Iron and tin

• Iron and zinc

At what temperature does bronze typically melt?

• 850 degrees centigrade

• 950 degrees centigrade

• 1050 degrees centigrade

• 1150 degrees centigrade

What is the composition of phosphor bronze?

• 8% tin and 0.3% phosphorus

• 10% tin and 0.5% phosphorus

• 5% tin and 1% phosphorus

• 12% tin and 0.2% phosphorus

What effect does nickel content have on copper-nickel alloys?

• Decreases tensile strength

• Increases ductility and hardness

• Reduces corrosion resistance

• Lowers melting point

What elements are contained in nickel silvers and silver bronzes?

• Silver and bronze

• Copper, nickel, and zinc

• Gold and platinum

• Iron and aluminum

What is the color of Aluminium as per the properties chart?

• Reddish brown

• Light grey

• Yellow

• Bluish grey

Which material is described as having ductile, malleable, and conductive properties?

• Aluminium

• Copper

• Brass

• Lead

What is the alloy composition of Brass?

• Aluminium 95%, Copper 4%, Manganese 1%

• Copper 65%, Zinc 35%

• Not an alloy

• Copper 50%, Zinc 50%