Strength Of Materials MCQ Questions & Answers

A) $${\text{pt}}{\sigma _{\text{t}}}$$ B) $${\text{dt}}{\sigma _{\text{c}}}$$ C) $$\frac{\pi }{4}{{\text{d}}^2}{\sigma _{\text{t}}}$$ D) $$\frac{\pi }{4}{{\text{d}}^2}{\sigma _{\text{c}}}$$

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Answer: Option B

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The pull required to shear off a rivet, in double shear, per pitch length is

A) $$\frac{\pi }{4}{{\text{d}}^2}{\sigma _{\text{t}}}$$ B) $$\frac{\pi }{4}{{\text{d}}^2}\tau $$ C) $$\frac{\pi }{2}{{\text{d}}^2}{\sigma _{\text{t}}}$$ D) $$\frac{\pi }{2}{{\text{d}}^2}\tau $$

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Answer: Option D

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The strength of the unriveted or solid plate per pitch length is

A) $${\text{dt}}{\sigma _{\text{c}}}$$ B) $${\text{pt}}{\sigma _{\text{t}}}$$ C) $$\left( {{\text{p}} - {\text{d}}} \right){\text{t}}{\sigma _{\text{t}}}$$ D) $$\frac{\pi }{2}{{\text{d}}^2}\tau $$

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Answer: Option B

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The shear force in the center of a simply supported beam carrying a uniformly distributed load of ‘w’ per unit length, is

A) Zero B) $$\frac{{{\text{w}}{l^2}}}{2}$$ C) $$\frac{{{\text{w}}{l^2}}}{4}$$ D) $$\frac{{{\text{w}}{l^2}}}{8}$$

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Answer: Option A

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The bending moment on a section is maximum where shear force is

A) Minimum B) Maximum C) Changing sign D) Zero

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Answer: Option C

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When a thin cylindrical shell is subjected to an internal pressure, there will be

A) A decrease in diameter and length of the shell B) An increase in diameter and decrease in length of the shell C) A decrease in diameter and increase in length of the shell D) An increase in diameter and length of the shell

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Answer: Option D

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A reinforced cement concrete beam is considered to be made of

A) Homogeneous material B) Heterogeneous material C) Composite material D) Isotropic material

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Answer: Option B

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The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σ_x and σ_y) acting at a body across two mutually perpendicular planes. The resultant stress is given by
Strength of Materials mcq question image

Strength of Materials mcq question image

A) OC B) OP C) OQ D) PQ

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Answer: Option B

Solution:

The tensile strength of ductile materials is _________ its compressive strength.

A) Equal to B) Less than C) Greater than D) None of these

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Answer: Option C

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The ultimate tensile stress of mild steel compared to ultimate compressive stress is

A) Same B) More C) Less D) Unpredictable

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Answer: Option B

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

Strength Of Materials MCQ Questions & Answers | Mechanical Engineering