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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

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

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

Less than
None of these
Greater than
Equal to

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Engineering Mechanics
If the body falls freely under gravity, then the gravitational acceleration is taken as

-9.8 m/s2
+9.8 m/s2
-8.9 m/s2
+8.9 m/s2

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Engineering Mechanics
The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.)

π/ω
2π/ω
2π × ω
ω/2π

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Engineering Mechanics
The coefficient of restitution for inelastic bodies is

Zero
More than one
One
Between zero and one

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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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