Strength Of Materials MCQ Questions & Answers

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Each section contains 100 MCQs on Strength of Materials in ME .

A beam which is fixed at one end and free at the other is called

A) Simply supported beam B) Fixed beam C) Overhanging beam D) Cantilever beam

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The strain energy stored in a solid circular shaft subjected to shear stress ($$\tau $$), is:
(Where, G = Modulus of rigidity for the shaft material)

A) $$\frac{{{\tau ^2}}}{{2G}}$$ × Volume of shaft B) $$\frac{\tau }{{2{\text{G}}}}$$ × Volume of shaft C) $$\frac{{{\tau ^2}}}{{4G}}$$ × Volume of shaft D) $$\frac{\tau }{{4{\text{G}}}}$$ × Volume of shaft

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The strain energy stored in a solid circular shaft in torsion, subjected to shear stress ($$\tau $$), is:
(Where, G = Modulus of rigidity for the shaft material)

A) $$\frac{{{\tau ^2}}}{{2G}}$$ × Volume of shaft B) $$\frac{\tau }{{2{\text{G}}}}$$ × Volume of shaft C) $$\frac{{{\tau ^2}}}{{4G}}$$ × Volume of shaft D) $$\frac{\tau }{{{\text{4G}}}}$$ × Volume of shaft

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

At the neutral axis of a beam, the shear stress is

A) Zero B) Minimum C) Maximum D) Infinity

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Principle plane is a plane on which the shear stress is

A) Zero B) Minimum C) Maximum D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The maximum deflection of a fixed beam of length '$$l$$' carrying a total load 'W' uniformly distributed over the whole length is

A) $$\frac{{{\text{W}}{l^3}}}{{48{\text{E}}I}}$$ B) $$\frac{{{\text{W}}{l^3}}}{{96{\text{E}}I}}$$ C) $$\frac{{{\text{W}}{l^3}}}{{192{\text{E}}I}}$$ D) $$\frac{{{\text{W}}{l^3}}}{{384{\text{E}}I}}$$

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,

A) Both beams are equally economical B) Square beam is more economical C) Circular beam is more economical D) None of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be

A) Increase key length B) Increase key depth C) Increase key width D) Double all the dimensions

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.

A) Decreases slowly B) Increases slowly C) Decreases more quickly D) Increases more quickly

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

For a beam, as shown in the below figure, the maximum deflection lies at
Strength of Materials mcq question image

A) $$\frac{l}{3}$$ from B B) $$\frac{l}{3}$$ from A C) $$\sqrt {\frac{{{l^2} - {{\text{a}}^2}}}{3}} $$ from B D) $$\sqrt {\frac{{{l^2} - {{\text{b}}^2}}}{3}} $$ from A

Discuss

Answer & Solution

Answer: Option C

Solution:

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Strength Of Materials MCQ Questions &amp; Answers | Mechanical Engineering

Strength Of Materials MCQ Questions & Answers | Mechanical Engineering