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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a square of side (a) about an axis through its center of gravity is

a4/12
a4/36
a4/8
a4/4

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Engineering Mechanics
In actual machines, mechanical advantage is _________ velocity ratio.

Greater than
Equal to
None of these
Less than

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Engineering Mechanics
The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

mr²/3
2mr²/5
3mr²/5
2mr²/3

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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
The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be

2L/3
L/3
L/2
3L/4

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Engineering Mechanics
The coefficient of restitution for inelastic bodies is

Between zero and one
Zero
One
More than one

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MORE MCQ ON Engineering Mechanics

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