Strength Of Materials MCQ Questions & Answers

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

In the below figure, Hook's law holds good, for the portion from_________.
Strength of Materials mcq question image

A) O to A B) B to D C) D to E D) None of these

Discuss

Answer & Solution

Answer: Option A

Solution:

In a simple bending theory, one of the assumptions is that the material of the beam is isotropic. This assumption means that the

A) Normal stress remains constant in all directions B) Normal stress varies linearly in the material C) Elastic constants are same in all the directions D) Elastic constants varies linearly in the material

Discuss

Answer & Solution

Answer: Option C

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

A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m², then the hoop stress will be

A) 30 MN/m² B) 50 MN/m² C) 100 MN/m² D) 200 MN/m²

Discuss

Answer & Solution

Answer: Option C

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

A bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The stress induced in the copper bar will be

A) Tensile B) Compressive C) Shear D) Zero

Discuss

Answer & Solution

Answer: Option B

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

The relation between equivalent length (L) and actual length ($$l$$) of a column for both ends fixed is

A) $${\text{L}} = \frac{l}{2}$$ B) $${\text{L}} = \frac{l}{{\sqrt 2 }}$$ C) L = $$l$$ D) L = 2$$l$$

Discuss

Answer & Solution

Answer: Option A

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

The section modulus of a circular section about an axis through its C.G., is

A) $$\frac{{\pi {{\text{d}}^2}}}{4}$$ B) $$\frac{{\pi {{\text{d}}^2}}}{{16}}$$ C) $$\frac{{\pi {{\text{d}}^3}}}{{16}}$$ D) $$\frac{{\pi {{\text{d}}^3}}}{{32}}$$

Discuss

Answer & Solution

Answer: Option D

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

The section modulus of a rectangular section about an axis through its C.G., is

A) $$\frac{{\text{b}}}{2}$$ B) $$\frac{{\text{d}}}{2}$$ C) $$\frac{{{\text{b}}{{\text{d}}^2}}}{2}$$ D) $$\frac{{{\text{b}}{{\text{d}}^2}}}{6}$$

Discuss

Answer & Solution

Answer: Option D

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

The unit of Young's modulus is

A) mm/mm B) kg/cm C) Kg D) kg/cm²

Discuss

Answer & Solution

Answer: Option D

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

A shaft revolving at $$\omega $$ rad/s transmits torque (T) in Nm. The power developed is

A) $${\text{T}}\omega {\text{ watts}}$$ B) $$2\pi {\text{T}}\omega {\text{ watts}}$$ C) $$\frac{{2\pi {\text{T}}\omega }}{{75}}{\text{ watts}}$$ D) $$\frac{{2\pi {\text{T}}\omega }}{{4500}}{\text{ watts}}$$

Discuss

Answer & Solution

Answer: Option A

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

In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least __________ the total water pressure per meter length.

A) Equal to B) 1.5 times C) Double D) 2.5 times

Discuss

Answer & Solution

Answer: Option B

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

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

Strength Of Materials MCQ Questions & Answers | Mechanical Engineering