Strength Of Materials MCQ Questions & Answers

In compression test, the fracture in cast iron specimen would occur along

A) The axis of load B) An oblique plane C) At right angles to the axis of specimen D) Would not occur

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Answer & Solution

Answer: Option B

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A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of

A) $$\frac{1}{{\text{d}}}$$ B) $$\frac{1}{{\text{D}}}$$ C) $$\frac{{\text{D}}}{{\text{d}}}$$ D) $$\frac{{\text{d}}}{{\text{D}}}$$

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Answer: Option C

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A fixed beam is one which is fixed at _________.

A) One of its ends B) Both of its ends C) The middle D) None of these

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Answer: Option B

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For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.

A) Equal to B) Directly proportional to C) Inversely proportional to D) None of these

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Answer: Option B

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The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by

A) $${\text{C}} = \frac{{{\text{mE}}}}{{2\left( {{\text{m}} + 1} \right)}}$$ B) $${\text{C}} = \frac{{2\left( {{\text{m}} + 1} \right)}}{{{\text{mE}}}}$$ C) $${\text{C}} = \frac{{2{\text{mE}}}}{{\left( {{\text{m}} + 1} \right)}}$$ D) $${\text{C}} = \frac{{\left( {{\text{m}} + 1} \right)}}{{2{\text{mE}}}}$$

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Answer: Option A

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

Strength Of Materials MCQ Questions & Answers | Mechanical Engineering