Strength of Materials Quiz LO 2.2

What does shear strength measure?

• Resistance to twisting

• Resistance to pulling apart

• Resistance to crushing

• Resistance to ripping apart

What does torsion strength measure?

• Resistance to twisting

• Resistance to pulling apart

• Resistance to crushing

• Resistance to ripping apart

What happens to pure metals after they are smelted into ingots?

• They are discarded.

• They are used as raw ore.

• They are smelted into plates and tubes.

• They are mixed with other materials.

Which process is used to convert ore into pure metal ingots?

• Electrolysis

• Smelting

• Filtration

• Distillation

Which property of alloys makes them more useful than their parent metals?

• They are more colorful

• They are typically harder

• They are more magnetic

• They are more conductive

What are the main components of brass?

• Copper and tin

• Copper and zinc

• Iron and carbon

• Tin and silver

What is lead free solder made of?

• Tin and silver (or antimony)

• Copper and zinc

• Iron and carbon

• Copper, zinc, and tin

What is the minimum chromium content in stainless steel?

• 5.5%

• 8.5%

• 10.5%

• 12.5%

What happens to ferrous metals in the presence of water and air?

• They melt

• They corrode

• They expand

• They become magnetic

What is the coating formed on ferrous metals when they corrode?

• Copper oxide

• Aluminum oxide

• Ferrous oxide

• Zinc oxide