Mechanical Engineering Mcqs

The energy absorbed in a body, when it is strained within the elastic limits, is known as________________?

(A) strain energy

(B) resilience

(C) proof resilience

(D) modulus of resilience

(D) toughness

Submitted By: Ali Uppal


The value of Poisson’s ratio for cast iron is_________________?

(A) 0.1 to 0.2

(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


Flow stress corresponds to___________________?

(A) fluids in motion

(B) breaking point

(C) plastic deformation of solids

(D) rupture stress

(D) none of the above

Submitted By: Ali Uppal


The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?

(A) elastic point of the material

(B) plastic point of the material

(C) breaking point of the material

(D) yielding point of the material

(D) ultimate point of the material

Submitted By: Ali Uppal


The ratio of lateral strain to the linear strain within elastic limit is known as_______________?

(A) Young’s modulus

(B) bulk modulus

(C) modulus of rigidity

(D) modulus of elasticity

(D) Poisson’s ratio

Submitted By: Ali Uppal


Rupture stress is________________?

(A) breaking stress

(B) maximum load/original cross-sectional area

(C) load at breaking point/A

(D) load at breaking point/neck area

(D) maximum stress

Submitted By: Ali Uppal


Submitted By: Ali Uppal


The safe twisting moment for a compound shaft is equal to the _________________?

(A) maximum calculated value

(B) minimum calculated value

(C) mean value

(D) extreme value

(D) none of the above

Submitted By: Ali Uppal


A cylindrical section having no joint is known as ____________________?

(A) jointless section

(B) homogeneous section

(C) perfect section

(D) manufactured section

(D) seamless section

Submitted By: Ali Uppal


Submitted By: Ali Uppal