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Engineering Mechanics

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

Minimum
None of these
No
Maximum

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

πd3/16
πd4/64
πd3/32
πd4/32

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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

cosecθ
cosθ
sinθ
tanθ

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Engineering Mechanics
The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of

0.7 r
0.5 r
0.8 r
0.6 r

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Engineering Mechanics
The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be

r/A
3r/2
r/2
2r/3

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Engineering Mechanics
The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

3r/ 8
3r/4π
8r/3
4r/ 3π

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MORE MCQ ON Engineering Mechanics

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