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Engineering-mechanics Questions Set 19:

Quiz Mode

What is the velocity ratio of a system of pulleys with 8 pulleys?

256

Solution:

What is the normal component of acceleration in curvilinear motion?

ρ / v

dv / dt

a^2 / t

v^2 / ρ

Solution:

The unit of the Board of Trade (B.O.T.) is?

Electric energy

Potential energy

Kinetic energy

Mechanical energy

Solution:

Which of the following is a type of redundant truss?

Stable truss

Perfect truss

Redundant truss

None of these

Solution:

If simple harmonic motion is represented by x = A cos(ωt + φ), then 'φ' is _____.

Amplitude

Displacement

Phase constant

Angular frequency

Solution:

The equations of two waves are given as Y1 = 20 sin (4πt + π/4) and Y2 = 20 sin (4πt + π/3). Find the phase difference between the two waves.

π/6

π/12

π/4

Solution:

A train is moving with constant acceleration travels 7.2 m during the 10th second of its motion and 5.4 m during the 12th second of its motion. Find the initial velocity (in m/s) of the train.

Solution:

A train with a weight of 5000 kilonewtons is pulled on a level track at a constant speed of 10 meters per second. The frictional force is 75 kilonewtons. The power of the engine is:

375 kW

750 kW

1875 kW

3000 kW

Solution:

When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

simple pendulum

torsional pendulum

compound pendulum

second's pendulum

Solution:

Consider a body sliding along an inclined surface in the upward direction. The work done by the friction force on the body is A, the work done by the gravity force is B, and the work done by the force keeping the body in motion is C. Which of the following options is correct?

None of the above

A > 0, B < 0, C < 0

A < 0, B > 0, C > 0

A < 0, B < 0, C > 0

Engineering-mechanics Questions Set 19:

What is the velocity ratio of a system of pulleys with 8 pulleys?

Solution:

What is the normal component of acceleration in curvilinear motion?

Solution:

The unit of the Board of Trade (B.O.T.) is?

Solution:

Which of the following is a type of redundant truss?

Solution:

If simple harmonic motion is represented by x = A cos(ωt + φ), then 'φ' is _____.

Solution:

The equations of two waves are given as Y1 = 20 sin (4πt + π/4) and Y2 = 20 sin (4πt + π/3). Find the phase difference between the two waves.

Solution:

A train is moving with constant acceleration travels 7.2 m during the 10th second of its motion and 5.4 m during the 12th second of its motion. Find the initial velocity (in m/s) of the train.

Solution:

A train with a weight of 5000 kilonewtons is pulled on a level track at a constant speed of 10 meters per second. The frictional force is 75 kilonewtons. The power of the engine is:

Solution:

When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

Solution:

Consider a body sliding along an inclined surface in the upward direction. The work done by the friction force on the body is A, the work done by the gravity force is B, and the work done by the force keeping the body in motion is C. Which of the following options is correct?

Solution:

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