Engineering Mechanics MCQs

Question 1

Body executing SHM while passing through mean position will have kinetic and potential energies as follows

Accepted Answer

Maximum, minimum

Answer

Minimum, maximum

Answer

Zero, maximum

Answer

Maximum, maximum

Question 2

In seconds pendulum, the pendulum executes

Accepted Answer

One beat per second

Answer

Two beats per second

Answer

Ten beats per second

Answer

Half beat per second

Question 3

In S.H.M. the acceleration is proportional to

Accepted Answer

Displacement

Answer

Velocity

Answer

Time period

Answer

Effective length of pendulum

Question 4

In S.H.M. we have conservation of

Accepted Answer

Total energy

Answer

Kinetic energy

Answer

Potential energy

Answer

Momentum

Question 5

The motion of a particle, executing SHM, from one extremity to other constitutes

Accepted Answer

Half an oscillation

Answer

One oscillation

Answer

Two oscillations

Answer

Four oscillations

Question 6

Which one of the following laws is not applicable for a simple pendulum

Accepted Answer

The time period is proportional to its length (l)

Answer

The time period does not depend on its magnitude

Answer

The time period is proportional to √l(length)

Answer

None of the above

Question 7

The value of acceleration due to gravity at moon is g/6, where g is the value of acceleration due to gravity at earth. The value of frequency of oscillation of simple pendulum on moon as compared to earth will be

Accepted Answer

1/√6 times

Answer

Same

Answer

1/6 times

Answer

√6 times

Question 8

A body in S.H.M. will have maximum velocity when its amplitude is

Accepted Answer

Zero

Answer

Maximum

Answer

-ve maximum

Answer

Average

Question 9

The length of a Second's pendulum is

Accepted Answer

99.4 cm

Answer

99.0 cm

Answer

100 cm

Answer

101.10 cm