Material Testing for characteristics (1)

Which property determines material performance under stress?

• Optical

• Mechanical

• Thermal

• Chemical

What does the physical property of a material affect?

• Light transmission

• Corrosion resistance

• Weight and heat transfer

• Expansion characteristics

Which property is related to heat resistance and expansion characteristics?

• Mechanical

• Optical

• Thermal

• Chemical

What is a key factor in determining the mechanical properties of a material?

• Corrosion resistance

• Light transmission

• Strength and hardness

• Heat resistance

What mechanical property describes the ability of a material to be stretched into a wire?

• Malleability

• Stiffness

• Ductility

• Brittleness

Which property measures a material's resistance to permanent shape change?

• Plasticity

• Toughness

• Hardness

• Elasticity

What is the purpose of a static tension test?

• To measure compressive strength

• To measure tensile strength

• To measure shear strength

• To measure torsional strength

Which strength is tested using a shear test?

• Tensile strength

• Compressive strength

• Shear strength

• Flexural strength

Which of the following is an example of an elastic material?

• Copper

• Modeling dough

• Rubber band

• Clay

Why are toughness and ductility important in material selection?

• They prevent corrosion.

• They enhance color and texture.

• They prevent sudden failures and allow shaping.

• They increase electrical conductivity.