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Engineering Mechanics

Engineering Mechanics
A screw jack used for lifting the loads is

None of these
A non-reversible machine
A reversible machine
An ideal machine

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Engineering Mechanics
The maximum velocity of a particle moving with simple harmonic motion is

ωr
ω
ω/r
ω2r

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Engineering Mechanics
The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is

h/(kG² + h²)
(kG² + h²)/h²
h²/(kG² + h²)
(kG² + h²)/h

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Engineering Mechanics
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

bh3/12
bh3/8
bh3/36
bh3/4

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Engineering Mechanics
The velocity ratio for the third system of pulleys is

n²
n
2n
2n - 1

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

Upwards
Horizontal
None of these
Downwards

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MORE MCQ ON Engineering Mechanics

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