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Engineering Mechanics

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

ω/2π
2π × ω
π/ω
2π/ω

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Engineering Mechanics
The maximum efficiency of a lifting machine is

1/(m × V.R.)
1/m
m/V.R.
V.R./m

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Engineering Mechanics
The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

ω.r
ω².r
ω/r
ω²/r

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Engineering Mechanics
Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

Horizontal
Upwards
Downwards
None of these

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

Equal to
Greater than
Less than
None of these

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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
0.8 r
0.5 r
0.6 r

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MORE MCQ ON Engineering Mechanics

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