Engineering Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Engineering Mechanics .

Which of the following statement is correct?

A) The algebraic sum of the forces, constituting the couple is zero B) The algebraic sum of the forces, constituting the couple, about any point is the same C) A couple cannot be balanced by a single force but can be balanced only by a couple of opposite sense D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

In a framed structure, as shown in the below figure, the force in the member BC is
Engineering Mechanics mcq question image

A) $$\frac{{\text{W}}}{{\sqrt 3 }}$$ (compression) B) $$\frac{{\text{W}}}{{\sqrt 3 }}$$ (tension) C) $$\frac{{2{\text{W}}}}{{\sqrt 3 }}$$ (compression) D) $$\frac{{2{\text{W}}}}{{\sqrt 3 }}$$ (tension)

Discuss

Answer & Solution

Answer: Option D

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

The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

A) Same at every point on its line of action B) Different at different points on its line of action C) Minimum, if it acts at the center of gravity of the body D) Maximum, if it acts at the center of gravity of the body

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Answer & Solution

Answer: Option C

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The process of finding out the resultant force is called __________ of forces.

A) Composition B) Resolution C) Decomposition D) None of these

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Answer & Solution

Answer: Option A

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In order to determine the effects of a force, acting on a body, we must know

A) Magnitude of the force B) Line of action of the force C) Nature of the force i.e. whether the force is push or pull D) All of the above

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Answer & Solution

Answer: Option D

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

In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.

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

Discuss

Answer & Solution

Answer: Option A

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

Frictional force encountered after commencement of motion is called

A) Limiting friction B) Kinematic friction C) Frictional resistance D) Dynamic friction

Discuss

Answer & Solution

Answer: Option D

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

Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity

A) $${\text{v}}$$ B) $$\frac{{\text{v}}}{2}$$ C) $$\frac{{\text{v}}}{4}$$ D) $$\frac{{\text{v}}}{8}$$

Discuss

Answer & Solution

Answer: Option B

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

A single force and a couple acting in the same plane upon a rigid body

A) Balance each other B) Cannot balance each other C) Produce moment of a couple D) Are equivalent

Discuss

Answer & Solution

Answer: Option B

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

Tangent of angle of friction is equal to

A) Kinetic friction B) Limiting friction C) Angle of repose D) Coefficient of friction

Discuss

Answer & Solution

Answer: Option D

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

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Engineering Mechanics MCQ Questions & Answers | Mechanical Engineering