Strength Of Materials MCQ Questions & Answers

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The center of gravity of a uniform lamina lies at

A) The center of heavy portion B) The bottom surface C) The mid point of its axis D) All of the above

Discuss

Answer & Solution

Answer: Option C

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

The center of gravity of a triangle lies at the point of

A) Concurrence of the medians B) Intersection of its altitudes C) Intersection of bisector of angles D) Intersection of diagonals

Discuss

Answer & Solution

Answer: Option A

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

A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to

A) 25 B) 50 C) 100 D) 250

Discuss

Answer & Solution

Answer: Option B

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

A particle inside a hollow sphere of radius r, having coefficient of friction $$\frac{1}{{\sqrt 3 }}$$ can rest upto height of

A) $$\frac{{\text{r}}}{4}$$ B) $$\frac{{\text{r}}}{8}$$ C) $$0.134{\text{ r}}$$ D) $$\frac{{3{\text{r}}}}{8}$$

Discuss

Answer & Solution

Answer: Option D

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

The center of percussion of the homogeneous rod of length L suspended at the top will be

A) $$\frac{{\text{L}}}{2}$$ B) $$\frac{{\text{L}}}{3}$$ C) $$\frac{{3{\text{L}}}}{4}$$ D) $$\frac{{2{\text{L}}}}{3}$$

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Answer & Solution

Answer: Option D

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The necessary condition for forces to be in equilibrium is that these should be

A) Coplanar B) Meet at one point C) Both (A) and (B) above D) All be equal

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Answer & Solution

Answer: Option C

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

The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be

A) $$\frac{{\text{r}}}{2}$$ B) $$\frac{{2{\text{r}}}}{3}$$ C) $$\frac{{\text{r}}}{{\text{A}}}$$ D) $$\frac{{3{\text{r}}}}{2}$$

Discuss

Answer & Solution

Answer: Option D

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

Dynamic friction as compared to static friction is

A) Same B) More C) Less D) May be less of more depending on nature of surfaces and velocity

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Answer & Solution

Answer: Option C

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Which of the following do not have identical dimensions?

A) Momentum and impulse B) Torque and energy C) Torque and work D) Moment of a force and angular momentum

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Answer & Solution

Answer: Option D

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

The co-efficient of friction depends upon

A) Nature of surfaces B) Area of contact C) Shape of the surfaces D) All of the above

Discuss

Answer & Solution

Answer: Option A

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

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Strength Of Materials MCQ Questions & Answers | Civil Engineering