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Engineering Mechanics

Engineering Mechanics
Moment of inertia of a circular section about an axis perpendicular to the section is

πd3/16
πd3/32
πd4/64
πd4/32

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Engineering Mechanics
When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.

Towards back
Outward
Inward
Towards front

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Engineering Mechanics
During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

Greater than
Equal to
Equal and opposite to
Less than

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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
mr²/8
mr²/4
mr²/6

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Engineering Mechanics
A force while acting on a body may

Give rise to the internal stresses in it
All of these
Balance the forces, already acting on it
Change its motion

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Engineering Mechanics
The maximum efficiency of a lifting machine is

1/(m × V.R.)
1/m
m/V.R.
V.R./m

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MORE MCQ ON Engineering Mechanics

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