Strength Of Materials MCQ Questions & Answers | Mechanical Engineering

A. Zero

B. $$\frac{{{\text{w}}{l^2}}}{2}$$

C. $$\frac{{{\text{w}}{l^2}}}{4}$$

D. $$\frac{{{\text{w}}{l^2}}}{8}$$

A. Zero at its both ends

B. $${\text{w}}l$$ at one end and $$ - {\text{w}}l$$  at the other end

C. $$\frac{{{\text{w}}l}}{2}$$ at one end and $$ - \frac{{{\text{w}}l}}{2}$$  at the other end

D. $$\frac{{{\text{w}}{l^2}}}{2}$$ at one end and $$ - \frac{{{\text{w}}{l^2}}}{2}$$  at the other end

A. Resilience

B. Proof resilience

C. Modulus of resilience

D. Toughness

A. Mild steel

B. Cast iron

C. Concrete

D. Bone of these

A. 1t

B. 2t

C. 4t

D. 8t

A. Rod is under compression

B. Tube is under compression

C. Both rod and tube are under compression

D. Tube is under tension and rod is under compression

A. Tensile in both the material

B. Tensile in steel and compressive in copper

C. Compressive in steel and tensile in copper

D. Compressive in both the materials

A. $$\delta l = \frac{{4{\text{PE}}}}{{\pi {l^2}}}$$

B. $$\delta l = \frac{{4\pi l{{\text{d}}^2}}}{{{\text{PE}}}}$$

C. $$\delta l = \frac{{4{\text{P}}l}}{{\pi {\text{E}}{{\text{d}}_1}{{\text{d}}_2}}}$$

D. $$\delta l = \frac{{4{\text{P}}l{\text{E}}}}{{\pi {{\text{d}}_1}{{\text{d}}_2}}}$$

A. $$\frac{{\pi {{\text{D}}^3}}}{{16}}$$

B. $$\frac{{\pi {{\text{D}}^3}}}{{32}}$$

C. $$\frac{{\pi {{\text{D}}^4}}}{{32}}$$

D. $$\frac{{\pi {{\text{D}}^4}}}{{64}}$$

A. $$\frac{{\pi {{\text{D}}^2}}}{4}$$

B. $$\frac{{\pi {{\text{D}}^3}}}{{16}}$$

C. $$\frac{{\pi {{\text{D}}^3}}}{{32}}$$

D. $$\frac{{\pi {{\text{D}}^4}}}{{64}}$$