Mechanical Engineering MCQs

A. Ultimate tensile stress
B. Proof stress
C. Stress at yield point
D. Stress at elastic limit

A. Breaking stress
B. Fracture stress
C. Yield point stress
D. Ultimate tensile stress

A. Considerably greater than that necessary to continue it
B. Considerably lesser than that necessary to continue it
C. Greater than that necessary to stop it
D. Lesser than that necessary to stop it

A. thermal stresses
B. tensile stress
C. bending
D. compressive stress

A. Increase
B. Decrease
C. Remain same
D. Increase initially and then decrease

A. steel
B. copper
C. aluminium
D. cast iron

A. Plasticity
B. Ductility
C. Elasticity
D. Malleability

A. Homogeneous
B. Inelastic
C. Isotropic
D. Isentropic

A. Of same magnitude as that of bar and applied at the lower end
B. Half the weight of bar applied at lower end
C. Half of the square of weight of bar applied at lower end
D. One-fourth of weight of bar applied at lower end

A. 0.01 to 0.1
B. 0.23 to 0.27
C. 0.25 to 0.33
D. 0.4 to 0.6