STRENGTH OF MATERIAL MCQ-:03

Q.1 The unit of Young's modulus is ____.

A. Kg

B. Kg/cm

C. Kg/cm^2

D. Kg/cm^3

Ans-: C

Q.2 Isotropic material have _____ properties in all directions .

A. Different elastic properties

B. Same elastic properties

C. No elastic properties

D. Various elastic properties

Ans-: B

Q.3 The maximum energy stored at elastic limit, is known as ______.

A. Resilience

B. Creep

C. Stress

D. Proof resilience

Ans-: D

Q.4 The proof resilience per unit volume is known as ______.

A. Modulus of resilience

B. Resilience

C. Flow of metal

D. Resilience limit

Ans-: A

Q.5  which of the following are is a graphical representation of the stress in an element subjected to general two dimension stress system.

A. Flow chart diagrams

B. Mohr's circle diagram

C. A+B

D. None of the above

Ans-: B

Q.6 The ultimate tensile stress of mild steel compared to ultimate compressive stress is ____.

A. Same

B. Less

C. More 

D. Variable

Ans-: C

Q.7 The intensity of stress which causes unit strain is called ____.

A. Bulk modulus

B. Modulus of elasticity

C. Unit stress

D. Total stress

Ans-: B

Q.8 The unit of strain is ?

A. N/m

B. Kg/m

C. N/m^2

D. No unit 

Ans-: D

Q.9  Which type of strength of a material is an index of its toughness?

A. Tensile strength

B. Impact strength

C. Ultimate strength

D. Unit strength

Ans-: B

Q.10 The poisson's ratio for steel is between __.

A. 0.25 to 0.33

B. 0.25 to 0.45

C. 0.05 to 0.1

D. 1.5 to 2.5

Ans-: A