Mechanical Properties Quiz

Which of the following is a mechanical property of a material?

• Density

• Melting point

• Toughness

• Electrical resistivity

The stress-strain curve is obtained under which type of loading?

• Thermal loading

• Torsional loading

• Tensile loading

• Bending loading

Which point on the stress-strain curve indicates the end of elastic behavior?

• Ultimate point

• Yield point

• Proportional limit

• Breaking point

Young's modulus is a measure of:

• Toughness

• Elasticity

• Plasticity

• Hardness

Which of the following properties indicates resistance to permanent deformation?

• Stiffness

• Elasticity

• Plasticity

• Toughness

The unit of stress is:

• N

• N/m

• N/m²

• N·m

Hooke's law is valid only within:

• Elastic limit

• Plastic limit

• Yield point

• Ultimate strength

Which property helps a material to return to its original shape after the load is removed?

• Ductility

• Elasticity

• Plasticity

• Hardness

The maximum stress a material can withstand before breaking is called:

• Yield strength

• Ultimate strength

• Proof stress

• Shear strength

Ductility is indicated by:

• Area under elastic region

• Length of plastic region

• Yield point

• Ultimate stress