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 15 of 26

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Q141.
A sphere is resting on two planes BA and BC which are inclined at 45° and 60° respectively with the horizontal. The reaction on the plane BA will be

a.

less than that on BC

b.

more than that of BC

c.

equal to that on BC

d.

zero

Discuss
Answer: (b).more than that of BC
Q142.
A projectile is fired at an angle ฮธ to the vertical. Its horizontal range will be maximum when ฮธ is

a.

0°

b.

30°

c.

45°

d.

60°

Discuss
Answer: (c).45°
Q143.
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 mechanical advantage of the lifting machine is

a.

15

b.

18

c.

20

d.

26.

Discuss
Answer: (c).20
Q144.
In simple harmonic motion, acceleration of a particle is proportional to

a.

rate of change of velocity

b.

displacement

c.

velocity

d.

direction

Discuss
Answer: (b).displacement
Q145.
A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

a.

floor is smooth and the wall is rough

b.

floor is rough and the wall is smooth

c.

floor and wall both are smooth surfaces

d.

floor and wall both are rough surfaces.

Discuss
Answer: (c).floor and wall both are smooth surfaces
Q146.
In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is

a.

1.5

b.

5

c.

25

d.

314

Discuss
Answer: (d).314
Q147.
To double the period of oscillation of a simple pendulum

a.

the mass of its bob should be doubled

b.

the mass of its bob should be quadrupled

c.

its lenght should be quadrupled

d.

its length should be doubled.

Discuss
Answer: (c).its lenght should be quadrupled
Q148.
For a particle moving with a simple harrmonic motion, the frequency is

a.

directly proportional to periodic time

b.

inversely proportional to periodic time

c.

inversely proportional to its angular velocity

d.

directly proportional to its angular velocity

Discuss
Answer: (b).inversely proportional to periodic time
Q149.
A smooth cylinder lying on its convex surface remains

a.

in stable equilibrium

b.

in unstable equilibrium

c.

in neutral equilibrium

d.

out of equilibrium

Discuss
Answer: (b).in unstable equilibrium
Q150.
A weight W is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is ฮธ°, the force introduced in the member, is

a.

W sec ฮธ

b.

W cos ฮธ

c.

W sin ฮธ

d.

W cosec ฮธ

Discuss
Answer: (a).W sec ฮธ
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