Materials Science Quiz

What is the ability of a material to resist an applied force without fracturing called?

• Elasticity

• Toughness

• Strength

• Malleability

What happens when a material elongates suddenly under load and changes shape permanently but does not actually break?

• Elastic deformation

• Yielding

• Fracturing

• Hardening

Which of the following is a measure of ductility?

• Elongation % = x/l × 100

• Reduction % = x/l × 100

• Deflection % = x/l × 100

• Compression % = x/l × 100

What is the term used to describe materials that change shape when a force is applied but return to their original size and shape when the force is removed?

• Plastic

• Elastic

• Ductile

• Brittle

What is the term for the ability of a material to resist impact loads?

• Hardness

• Toughness

• Strength

• Elasticity

What property do materials exhibit if they flow into a new shape when subjected to an applied force and maintain that shape after the force is removed?

• Ductility

• Malleability

• Hardness

• Plasticity

Which property is demonstrated by materials that can change shape by plastic flow when subjected to a pulling force?

• Plasticity

• Malleability

• Hardness

• Ductility

What is the property of materials that allows them to change shape by plastic flow when subjected to a compressive force?

• Ductility

• Hardness

• Plasticity

• Malleability

What property do materials have if they can withstand scratching or indentation by a harder object?

• Malleability

• Ductility

• Plasticity

• Hardness

What does the Brinell hardness test use to press into the specimen?

• A diamond pyramid

• A steel ball

• A diamond cone

• A standard load