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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is

ml2/8
ml2/ 6
ml2/12
ml2/4

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

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

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Engineering Mechanics
A smooth cylinder lying on a __________ is in neutral equilibrium.

Horizontal surface
Convex surface
None of these
Curved surface

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Engineering Mechanics
In order to completely specify angular displacement by a vector, it must fix

All of these
Magnitude of angular displacement
Direction of the axis of rotation
Sense of angular displacement

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

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

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Engineering Mechanics
The amplitude is always __________ radius of the circle.

None of these
Equal to
Greater than
Less than

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MORE MCQ ON Engineering Mechanics

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