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Engineering Mechanics

Engineering Mechanics
A smooth cylinder lying on a __________ is in neutral equilibrium.

Curved surface
Horizontal surface
None of these
Convex surface

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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 depth (d), is

db³/36
bd³/12
bd³/36
db³/12

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Engineering Mechanics
An ideal machine is one whose efficiency is

Between 60 and 70 %
Between 70 and 80%
1
Between 80 and 90%

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Engineering Mechanics
In order to determine the effects of a force, acting on a body, we must know

Nature of the force i.e. whether the force is push or pull
Magnitude of the force
All of these
Line of action of the force

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Engineering Mechanics
In order to completely specify angular displacement by a vector, it must fix

Direction of the axis of rotation
All of these
Magnitude of angular displacement
Sense of angular displacement

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Engineering Mechanics
A framed structure is imperfect, if the numbers of members are __________ (2j - 3).

Less than
Equal to
Either (B) or (C)
Greater than

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MORE MCQ ON Engineering Mechanics

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