Static Load Design Quiz 1

Hooke's law holds good up to

• breaking point

• yield point

• elastic limit

• plastic limit

The ratio of tensile stress to tensile strain within elastic limit is called

• bulk modulus

• Poisson's ratio

• modulus of rigidity

• modulus of elasticity

The modulus of elasticity of carbon steel is

• 207 000 N/mm²

• 100 000 N/mm²

• 50 000 N/mm²

• 80 000 N/mm²

The modulus of elasticity of grey cast iron is

• 207 000 N/mm²

• 100 000 N/mm²

• 50 000 N/mm²

• 80 000 N/mm²

The modulus of rigidity of carbon steel is

• 207 000 N/mm²

• 100 000 N/mm²

• 50 000 N/mm²

• 80 000 N/mm²

The modulus of rigidity of grey cast iron is

• 207 000 N/mm²

• 100 000 N/mm²

• 40 000 N/mm²

• 80 000 N/mm²

The Poisson's ratio of grey cast iron is

• 0.40

• 0.29

• 0.21

• 0.75

The Poisson's ratio of carbon steels is

• 0.40

• 0.29

• 0.21

• 0.75

Within elastic limit, the stress is

• equal to strain

• inversely proportional to strain

• directly proportional to strain

• directly proportional to the square of strain

The ratio of shear stress to shear strain is called

• bulk modulus

• Poisson’s ratio

• modulus of rigidity

• modulus of elasticity