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Engineering Mechanics

Engineering Mechanics
The maximum mechanical advantage of a lifting machine is

m
1 - m
1 + m
1 / m

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Engineering Mechanics
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is

bd³/36
db³/12
bd³/12
db³/36

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

Stable
Neutral
None of these
Unstable

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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°
30°
60°
120°

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Engineering Mechanics
The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is

mr²
2mr²/3
2mr²/5
mr²/2

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Engineering Mechanics
If n = number of members and y = number of joints, then for a perfect frame, n = ?

43832
43864
43865
43892

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MORE MCQ ON Engineering Mechanics

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