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Engineering Mechanics

Engineering Mechanics
When the spring of a watch is wound, it will possess

Kinetic energy
Strain energy
Electrical energy
Heat energy

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Engineering Mechanics
The ratio of limiting friction and normal reaction is known as

Angle of friction
Sliding friction
Coefficient of friction
Angle of repose

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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

1 m
3 m
2 m
4 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 (α - φ)
P = W tan (φ - α)
P = W cos (α + φ)
P = W tan (α + φ)

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Engineering Mechanics
The motion of a wheel of a car is

None of the listed here
Purely translation
Combined translation and rotational
Purely rotational

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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

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

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MORE MCQ ON Engineering Mechanics

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