WCL Metallurgy & Material Science

Question 1

What is metallurgy?

Accepted Answer

Study of metals and their properties

Answer

Study of plastics

Answer

Study of ceramics

Answer

Study of textiles

Question 2

What is an alloy?

Accepted Answer

Mixture of metals or elements

Answer

Pure metal

Answer

Plastic material

Answer

Non-metal compound

Question 3

Which property measures a material’s resistance to deformation?

Accepted Answer

Hardness

Answer

Ductility

Answer

Malleability

Answer

Conductivity

Question 4

What is ductility in metals?

Accepted Answer

Ability to stretch into wire

Answer

Resistance to corrosion

Answer

Ability to conduct heat

Answer

Resistance to impact

Question 5

What does heat treatment do to metals?

Accepted Answer

Improves strength and hardness

Answer

Decreases durability

Answer

Removes impurities

Answer

Makes metals softer only

Question 6

Which metal is known for its high corrosion resistance?

Accepted Answer

Stainless steel

Answer

Aluminum

Answer

Copper

Answer

Iron

Question 7

What is the term for the ability of a metal to be hammered into thin sheets?

Accepted Answer

Malleability

Answer

Ductility

Answer

Hardness

Answer

Conductivity

Question 8

What causes metal fatigue?

Accepted Answer

Repeated stress cycles

Answer

High temperature only

Answer

Corrosion alone

Answer

Single heavy impact

Question 9

Why is thermal conductivity important in materials?

Accepted Answer

Determines heat transfer

Answer

Measures electrical resistance

Answer

Indicates toughness

Answer

Indicates ductility