compressive stresses

tensile stresses

both tensile and compressive stresses

shear stresses

increasing the length of bar

decreasing the cross-sectional area of the bar

decreasing the modulus of elasticity of the bar

all of the above

equal to

sin ? times more than

sin ? times less than

cosec ? times more than

Correct

Incorrect

Helical compression spring

Spiral spring

Torsion spring

Bellevile spring