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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a solid cylinder of mass 'm', radius 'r' and length 'l' about the longitudinal axis or polar axis is

mr²/2
mr²/6
mr²/4
mr²/8

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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 vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.

Two times
Six times
Four times
Nine times

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

ω/r
ω²r
ω
ωr

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Engineering Mechanics
A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of

2 m
4 m
1 m
3 m

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Engineering Mechanics
In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.)

P = W tan (φ - α)
P = W tan (α - φ)
P = W cos (α + φ)
P = W tan (α + φ)

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Engineering Mechanics
If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella

More inclined when moving
Less inclined when standing
Less inclined when moving
More inclined when standing

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MORE MCQ ON Engineering Mechanics

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