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 18 of 26

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Q171.
The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at

a.

30°

b.

45°

c.

60°

d.

90°

Discuss
Answer: (d).90°
Q172.
A rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at โˆš3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is

a.

0.5 m/sec

b.

1.0 m/sec

c.

1.5 m/sec

d.

2.5 m/sec

Discuss
Answer: (b).1.0 m/sec
Q173.
The units of inertia of mass, are

a.

kg/m

b.

kg/m²

c.

mโด

d.

kg-m².

Discuss
Answer: (d).kg-m².
Q174.
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
Q175.
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°
Q176.
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
Q177.
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
Q178.
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
Q179.
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
Q180.
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
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