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Engineering Mechanics

Engineering Mechanics
The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be

r/A
2r/3
r/2
3r/2

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Engineering Mechanics
When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is

0.5 mv2
mv2
mgv2
0.5 mgv2

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Engineering Mechanics
The coefficient of friction depends upon

Shape of the surfaces
All of these
Nature of surfaces
Area of contact

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Engineering Mechanics
The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is

16 cm4
9 cm4
12 cm4
20 cm4

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Engineering Mechanics
A machine having an efficiency less than 50%, is known as

Non-reversible machine
Neither reversible nor non-reversible machine
Reversible machine
Ideal machine

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Engineering Mechanics
The friction experienced by a body, when in motion, is known as

Rolling friction
Dynamic friction
Limiting friction
Static friction

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MORE MCQ ON Engineering Mechanics

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