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What is the property of a material that causes it to rupture suddenly under stress with little evident deformation?

• Ductility

• Stiffness

• Toughness

• Brittleness

What is the maximum stress that can be applied to a material without causing permanent deformation?

• Elastic Limit

• Proportional Limit

• Yield Strength

• Ultimate Strength

What is the law stating that the stress on a body is directly proportional to the strain produced, provided the stress does not exceed the elastic limit of the material?

• Hooke's Law

• Einstein's Law

• Archimedes' Law

• Newton's Law

What is the range of unit stresses for which a material exhibits plastic deformation?

• Permanent Set Range

• Stress-Hardening Range

• Plastic Range

• Elastic Range

What is the property of a material that enables it to absorb energy before rupturing?

• Stiffness

• Brittleness

• Toughness

• Ductility