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Engineering Mechanics

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

n²
2n - 1
n
2n

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Engineering Mechanics
Work done is said to be zero, when

Either (A) or (B)
None of these
No force acts on a body but some displacement takes place
Some force acts on a body, but displacement is zero

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Engineering Mechanics
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point

Four times
Thrice
Same as
Twice

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Engineering Mechanics
The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is

h/(kG² + h²)
(kG² + h²)/h²
(kG² + h²)/h
h²/(kG² + h²)

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Engineering Mechanics
Whenever a force acts on a body and the body undergoes a displacement, then

None of these
Work is said to be done
Body has kinetic energy of translation
Power is being transmitted

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Engineering Mechanics
The moment of inertia of a square of side a about its diagonal is

a⁴/16
a²/8
a³/12
a⁴/12

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MORE MCQ ON Engineering Mechanics

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