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Engineering Mechanics

Engineering Mechanics
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

90°
120°
60°
30°

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Engineering Mechanics
Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is

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

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Engineering Mechanics
A smooth cylinder lying on its convex surface remains in __________ equilibrium.

None of these
Stable
Unstable
Neutral

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Engineering Mechanics
The total energy possessed by a system of moving bodies

Is minimum in the start and maximum at the end
Varies from point to point
Is constant at every instant
Is maximum in the start and minimum at the end

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Engineering Mechanics
In ideal machines, mechanical advantage is __________ velocity ratio.

Greater than
None of these
Equal to
Less than

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Engineering Mechanics
The maximum mechanical advantage of a lifting machine is

1 / m
1 + m
m
1 - m

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MORE MCQ ON Engineering Mechanics

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