Engineering Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Engineering Mechanics .

When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

A) Simple pendulum B) Compound pendulum C) Torsional pendulum D) Second's pendulum

Discuss

Answer & Solution

Answer: Option B

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

When a body falls freely under gravitational force, it possesses __________ weight.

A) No B) Minimum C) Maximum D) None of these

Discuss

Answer & Solution

Answer: Option A

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

The resultant of two forces P and Q acting at an angle $$\theta $$ is

A) $$\sqrt {{{\text{P}}^2} + {{\text{Q}}^2} + 2{\text{PQ}}\sin \theta } $$ B) $$\sqrt {{{\text{P}}^2} + {{\text{Q}}^2} + 2{\text{PQ}}\cos \theta } $$ C) $$\sqrt {{{\text{P}}^2} + {{\text{Q}}^2} - 2{\text{PQ}}\cos \theta } $$ D) $$\sqrt {{{\text{P}}^2} + {{\text{Q}}^2} - 2{\text{PQ}}\tan \theta } $$

Discuss

Answer & Solution

Answer: Option B

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

The total energy possessed by a system of moving bodies

A) Is constant at every instant B) Varies from point to point C) Is maximum in the start and minimum at the end D) Is minimum in the start and maximum at the end

Discuss

Answer & Solution

Answer: Option A

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

The forces which do not meet at one point and their lines of action do not lie on the same plane are known as

A) Coplanar concurrent forces B) Coplanar non-concurrent forces C) Non-coplanar concurrent forces D) None of these

Discuss

Answer & Solution

Answer: Option D

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

Which of the following is not the unit of work, energy and heat?

A) kcal B) kg-m C) kW-hr D) h.p

Discuss

Answer & Solution

Answer: Option D

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

The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of

A) Friction B) Limiting friction C) Repose D) Kinematic friction

Discuss

Answer & Solution

Answer: Option C

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

The algebraic sum of moments of the forces forming couple about any point in their plane is

A) Equal to the moment of the couple B) Constant C) Both of above are correct D) Both of above are wrong

Discuss

Answer & Solution

Answer: Option A

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

The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s², is

A) 20 N B) 100 N C) 500 N D) None of these

Discuss

Answer & Solution

Answer: Option C

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

The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity.

A) Directly B) Inversely C) Square root D) None of these

Discuss

Answer & Solution

Answer: Option B

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

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Engineering Mechanics MCQ Questions & Answers | Mechanical Engineering