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Engineering Mechanics

Engineering Mechanics
The process of finding out the resultant force is called __________ of forces.

Decomposition
None of these
Resolution
Composition

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Engineering Mechanics
For a self locking machine, the efficiency must be

Greater than 50%
Less than 50%
Equal to 50%
1

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Engineering Mechanics
The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is

30° + β/2
β/2
60° + β/2
45° + β/2

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Engineering Mechanics
In order to determine the effects of a force, acting on a body, we must know

All of these
Nature of the force i.e. whether the force is push or pull
Line of action of the force
Magnitude of the force

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Engineering Mechanics
The wheels of a moving car possess

Potential energy only
Kinetic energy of translation and rotation both
Kinetic energy of translation only
Kinetic energy of rotation only

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Engineering Mechanics
The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is

D × d
D + d
D - d
D / d

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MORE MCQ ON Engineering Mechanics

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