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Engineering Mechanics

Engineering Mechanics
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

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

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Engineering Mechanics
A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

5
10
20
40

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Engineering Mechanics
The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is

mr²/8
mr²/4
mr²/2
mr²/6

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Engineering Mechanics
The acceleration of a body sliding down an inclined surface is

None of these
g tanθ
g cosθ
g sinθ

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Engineering Mechanics
A force while acting on a body may

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

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Engineering Mechanics
The energy possessed by a body, for doing work by virtue of its position, is called

Chemical energy
Electrical energy
Kinetic energy
Potential energy

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MORE MCQ ON Engineering Mechanics

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