Elastic constants 2

Poisson’s ratio for a perfectly incompressible material is

• 1.0

• -1.0

• 0.5

• 0.0

Which of the following moduli of elasticity is used to predict the deformation of a body under compressive loads?

• Bulk modulus

• Shear modulus

• Young’s modulus

• None of the above

For an isotropic material, the ratio of modulus of rigidity to modulus of elasticity is

• 1

• 2

• 3

• 4

The coefficient of thermal expansion is a measure of

• The deformation of a material due to stress

• The deformation of a material due to temperature

• The stress induced in a material due to temperature

• The stress induced in a material due to deformation

A material that exhibits elastic behavior up to failure is said to be

• Brittle

• Ductile

• Tough

• Hard