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Engineering Mechanics

Engineering Mechanics
The rate of change of displacement of a body is called

Velocity
Momentum
Acceleration
None of these

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Engineering Mechanics
When a body falls freely under gravitational force, it possesses __________ weight.

Maximum
No
Minimum
None of these

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Engineering Mechanics
The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is

2D/(D + d)
2D/(D - d)
D/(D - d)
D/(D + d)

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Engineering Mechanics
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span

3.0 cm
5.0 cm
4.0 cm
2.5 cm

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Engineering Mechanics
The velocity ratio of a single purchase crab winch can be increased by

All of these
Increasing the radius of the load drum
Increasing the length of the handle
Increasing the number of teeth of the pinion

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Engineering Mechanics
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

120°
90°
60°
30°

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MORE MCQ ON Engineering Mechanics

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