Mechanical Engineering Mcqs

When it is indicated that a member is elastic, it means that when force is applied, it will________________?

(A) not deform

(B) be safest

(C) stretch

(D) not stretch

(D) none of the above

Submitted By: Ali Uppal


Resilience of a material is considered when it is subjected to_________________?

(A) frequent heat treatment

(B) fatigue

(C) creep

(D) shock loading

(D) resonant condition

Submitted By: Ali Uppal


The total strain energy stored in a body is termed as__________________?

(A) resilience

(B) proof resilience

(C) modulus of resilience

(D) toughness

(D) impact energy

Submitted By: Ali Uppal


A material capable of absorbing large amount of energy before fracture is known as________________?

(A) ductility

(B) toughness

(C) resilience

(D) shock proof

(D) plasticity

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Which of the following has no unit __________________?

(A) kinematic viscosity

(B) surface tension

(C) bulk modulus

(D) strain

(D) elasticity

Submitted By: Ali Uppal


In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is_________________?

(A) more

(B) less

(C) same

(D) more/less depending on composition

(D) may have any value

Submitted By: Ali Uppal


Which of the following materials is most elastic_________________?

(A) rubber

(B) plastic

(C) brass

(D) steel

(D) glass

Submitted By: Ali Uppal


The value of Poisson’s ratio for steel is between_________________?

(A) 0.01 to 0.1

(B) 0.23 to 0.27

(C) 0.25 to 0.33

(D) 0.4 to 0.6

(D) 3 to 4

Submitted By: Ali Uppal


The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight________________?

(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

(D) none of the above

Submitted By: Ali Uppal