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Engineering Mechanics

Engineering Mechanics
Moment of inertia of a circular section about its diameter (d) is

πd3/32
πd3/16
πd4/32
πd4/64

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Engineering Mechanics
The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is

sinθ
cosecθ
tanθ
cosθ

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

Horizontal surface
None of these
Convex surface
Curved surface

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Engineering Mechanics
On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be

Upwards at its upper end
Perpendicular to the wall at its upper end
Zero at its upper end
Downwards at its upper end

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Engineering Mechanics
If a body is acted upon by a number of coplanar non-concurrent forces, it may

All of these
Be completely at rest
Rotate about itself without moving
Move in any one direction rotating about itself

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Engineering Mechanics
The coefficient of friction depends upon

Shape of the surfaces
Nature of surfaces
Area of contact
All of these

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MORE MCQ ON Engineering Mechanics

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