When the change in length take place after application of load, that strain is called as..........

The SI unit of Strain is ............

Hook's law is valid upto..........

The SI unit of modulus  of elasticity is..........

Modulus of elasticity of mild steel is less than rubber .

When tensile stress is applied axially on a circular rod it’s

i)  diameter decreases ii) length increases iii) volume decreases

Which of the above are true?

Stress produced due to two parallel, equal and opposite forces acting tangentially to the surface of the body is called as _____

The actual breaking stress in stress-strain diagram is the ratio of ______

Calculate the axial load in compression for a metal bar of cross section 15 mm X 60 mm, if permissible stress is 155 MPa.

in double shear a 15 mm dia. circular pin carries a force of 15 KN. Determine the stress induced.

A steel rod 2 m long is heated through 70⁰ C , find free expansion.

Assume, coeff. of expansion = 12 X 10^-6 /⁰C

A bar of 1 m length and 400 mm² cross sectional area is acted upon by a compressive force of 100 KN, Find it's change in length.

Take E = 2 X 10⁵ MPa

The internal resistive force per unit cross sectional area is called as......