MCQ's of Strength of Material (SOM) | Useful for SSC-JE and Other Services

It is useful for many exams of Engineering sector like SSC-JE, PSU's and Other Engineering Services 

Q1.The unit of stress in S.I. units is-

(A) N/mm2 

(B) kN/m2

(C) N/m2

(D) Any one of these ✔️

Q2. The deformation per unit length is        called-

(A) Tensile stress.

(B) Compressive Stress

(C) Shear Stress

(D) Strain✔️

Q3. The unit of strain is-

(A) N-mm

(B) N/mm

(C) mm

(D) No Unit ✔️

Q4. Strain is equal to-

(A) l/𝛅l

(B) 𝛅l/l ✔️

(C) l.𝛅l

(D) l+𝛅l

Q5. Hook's law holds good up to-

(A) Yield Point

(B) Elastic Point ✔️

(C) Plastic limit

(D) Breaking Point

Q6. The unit of modulus of elasticity is same as those of-

(A) Stress, Strain and Pressure

(B) Stress, Force and Modulus of Rigidity✔️

(C) Strain, Force, and Pressure.

(D) Stress, Force and Modulus of Rigidity

Q7. When change in length takes place, the strain is known as-

(A) Linear Strain✔️

(B) Lateral Strain

(C) Volumetric Strain.

(D) Shear Strain

Q8. Young's modules may be defined as the ratio of-

(A) Linear stress to lateral strain

(B) Lateral Strain to linear strain

(C) Linear Stress to Linear Strain ✔️

(D)Shear Stress to Shear Strain.

Q9. The unit of Young's modules is same as that of stress-

(A) True ✔️

(B) False

Q.10. The thermal of temperature stress is a function of-

(A) Increase in temperature

(B) Modulus of elasticity

(C) Coefficient of linear expansion

(D) All of these ✔️