Applied Mechanics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Applied Mechanics, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Applied Mechanics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Applied Mechanics mcq questions that explore various aspects of Applied Mechanics problems. Each MCQ is crafted to challenge your understanding of Applied Mechanics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Applied Mechanics MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Applied Mechanics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Applied Mechanics knowledge to the test? Let's get started with our carefully curated MCQs!

Applied Mechanics MCQs | Page 25 of 26

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Q241.
For a self-locking machine, the efficiency should be

a.

less than 60%

b.

50%

c.

more than 50%

d.

None of these.

Discuss
Answer: (a).less than 60%
Q242.
When a body moves round a fixed axis, it has

a.

a rotary motion

b.

a circular motion

c.

a translatory

d.

a rotary motion and translatory motion.

Discuss
Answer: (b).a circular motion
Q243.
Pick up the incorrect statement from the following. In a simple harmonic motion

a.

velocity is maximum at its mean position

b.

velocity is minimum at the end of the storke

c.

acceleration is minimum at the end of the stroke

d.

acceleration is zero at the mean position.

Discuss
Answer: (c).acceleration is minimum at the end of the stroke
Q244.
The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of

a.

8.04 km/sec at a height of 285 km

b.

11.11 km/sec at a height of 37, 400 km

c.

11.26 km/sec, the satellite escapes the pull of the earth

d.

all the above.

Discuss
Answer: (d).all the above.
Q245.
The point about which combined motion of rotation and translation of a rigid body takes place, is known as

a.

Virtual centre

b.

Instantaneous centre

c.

Instantaneous axis

d.

Point of rotation

Discuss
Answer: (b).Instantaneous centre
Q246.
A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

a.

16 m/sec

b.

18 m/sec

c.

20 m/sec

d.

22 m/sec.

Discuss
Answer: (c).20 m/sec
Q247.
A point subjected to a number of forces will be in equilibrium, if

a.

sum of resolved parts in any two directions at right angles, are both zero

b.

algebraic sum of the forces is zero

c.

two resolved parts in any two directions at right angles are equal

d.

algebraic sum of the moments of the forces about the point is zero

Discuss
Answer: (a).sum of resolved parts in any two directions at right angles, are both zero
Q248.
M.I. of solid sphere, is

a.

2/3 Mr²

b.

2/5 Mr²

c.

Mr²

d.

ฯ€rโด/2

Discuss
Answer: (c).Mr²
Q249.
The centre of gravity of a homogenous body is the point at which the whole

a.

volume of the body is assumed to be concentrated

b.

area of the surface of the body is assumed to be concentrated

c.

weight of the body is assumed to be concentrated

d.

all the above.

Discuss
Answer: (c).weight of the body is assumed to be concentrated
Q250.
Pick up the correct statement from the following :

a.

If two equal and perfectly elastic smooth spheres impinge directly, they interchange their velocities.

b.

If a sphere impinges directly on an equal sphere which is at rest, then a fraction 1/2(1 - e²) the original kinetic energy is lost by the impact.

c.

If a smooth sphere impinges on another sphere, which is at rest, the latter will move along the line of centres.

d.

All the above.

Discuss
Answer: (d).All the above.
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