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 14 of 26

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Q131.
A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be

a.

0.5 m/sec

b.

1.5 m/sec

c.

2.5 m/sec

d.

3.5 m/sec

Discuss
Answer: (c).2.5 m/sec
Q132.
A pilot flies a small plane in a vertical loop of radius r. At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is g, the speed of the plane at the top of its trajectory would be

a.

zero

b.

infinite

c.

√gr

d.

√2gr

Discuss
Answer: (c).√gr
Q133.
A Seconds pendulum executes

a.

0.5 beat per second

b.

1.0 beat per second

c.

2.0 beats per second

d.

2.5 beats per second

Discuss
Answer: (c).2.0 beats per second
Q134.
The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface

a.

uneven distribution of the gravitational field

b.

gravity of the sun and the moon

c.

aerodynamic forces

d.

none of these.

Discuss
Answer: (d).none of these.
Q135.
Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation

a.

is directly proportional to their velocity of approach

b.

is inversely proportional to their velocity of approach

c.

bears a constant ratio to their velocity of approach

d.

is equal to the sum of their velocities of approach.

Discuss
Answer: (c).bears a constant ratio to their velocity of approach
Q136.
Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of

a.

5 Newtons

b.

8 Newtons

c.

10 Newtons

d.

12 Newtons.

Discuss
Answer: (c).10 Newtons
Q137.
A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is

a.

70 m/sec.

b.

75 m/sec.

c.

80 m/sec.

d.

90 m/sec.

Discuss
Answer: (d).90 m/sec.
Q138.
For maximum range of a projectile, the angle of projection should be

a.

30°

b.

45°

c.

60°

d.

none of these.

Discuss
Answer: (b).45°
Q139.
A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec². Time required to traverse a distance of 1.5 m, is

a.

40 sec

b.

30 sec

c.

20 sec

d.

15 sec

Discuss
Answer: (c).20 sec
Q140.
A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is

a.

50

b.

55

c.

60

d.

65

Discuss
Answer: (a).50
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