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Engineering Mechanics

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

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

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Engineering Mechanics
The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is

3mr²/10
4mr²/5
3mr²/5
2mr²/5

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Engineering Mechanics
The unit of work in S.I. units is

joule
erg
kg-m
Newton

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Engineering Mechanics
The velocity ratio for the first system of pulleys is (where n is the number of pulleys.)

n²
n
2n - 1
2n

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Engineering Mechanics
The ideal angle of banking provided on the curves on roads depends upon

Nature of the road surface
(Velocity)2 of the vehicle
Weight of the vehicle
Coefficient of friction between the road and vehicle contact point

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Engineering Mechanics
The centre of percussion is below the centre of gravity of the body and is at a distance equal to

h × kG
h2/kG
h/kG
kG2/h

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MORE MCQ ON Engineering Mechanics

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