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 21 of 26

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Q201.
ฯ‰ rad/sec is the angular velocity of a crank whose radius is r. If it makes ฮธ° with inner dead centre and obliquity of the connecting rod l is ฯ†, the velocity v of the piston, is given by the equation

a.

ฯ‰²(l cos ฯ† + r sin ฯ† tan ฮธ)

b.

ฯ‰²(l sin ฯ† + r cos ฯ† tan ฮธ)

c.

ฯ‰(l sin ฯ† + r cos ฯ† tan ฮธ)

d.

ฯ‰²(l sin ฯ† - r cos ฮธ tan ฯ†).

Discuss
Answer: (c).ฯ‰(l sin ฯ† + r cos ฯ† tan ฮธ)
Q202.
According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centres lie on

a.

a point

b.

a straight line

c.

two straight lines

d.

a triangle.

Discuss
Answer: (b).a straight line
Q203.
A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball B on the table. If the impact is perfectly plastic, the velocity of the ball B just after impact would be

a.

zero

b.

5 m/sec

c.

10 m/sec

d.

none of these.

Discuss
Answer: (a).zero
Q204.
If two forces each equal to T in magnitude act at right angles, their effect may be neutralised by a third force acting along their bisector in opposite direction whose magnitude will be

a.

2 T

b.

1/2 T

c.

โˆš2 T

d.

3 T

Discuss
Answer: (c).โˆš2 T
Q205.
Energy may be defined as

a.

power of doing work

b.

capacity of doing work

c.

rate of doing work

d.

all the above.

Discuss
Answer: (b).capacity of doing work
Q206.
The intrinsic equation of catenary is

a.

S = c tan ฯˆ

b.

y = c cosh x/c

c.

y = c cosh ฯˆ

d.

y = c sinh ฯˆ.

Discuss
Answer: (a).S = c tan ฯˆ
Q207.
A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

a.

vertical component of velocity remains constant

b.

horizontal component of velocity remains constant

c.

speed of the ball remains constant

d.

kinetic energy of the ball remains constant.

Discuss
Answer: (b).horizontal component of velocity remains constant
Q208.
Angular acceleration of a particle may be expressed as

a.

radians/sec²

b.

degrees/sec²

c.

revolutions/sec

d.

all the above.

Discuss
Answer: (d).all the above.
Q209.
A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is

a.

5โˆš10 m/sec

b.

10โˆš5 m/sec

c.

5โˆš3 m/sec

d.

3โˆš5 m/sec.

Discuss
Answer: (a).5โˆš10 m/sec
Q210.
A stone is whirled in a vertical circle, the tension in the string, is maximum

a.

when the string is horizontal

b.

when the stone is at the highest position

c.

when the stone is at the lowest position

d.

at all the positions.

Discuss
Answer: (c).when the stone is at the lowest position
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