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Engineering Mechanics

Engineering Mechanics
The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.)

2π/ω
π/ω
ω/2π
2π × ω

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Engineering Mechanics
The velocity ratio of a first system of pulleys with 4 pulleys is

20
8
16
4

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Engineering Mechanics
If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is _________ the momentum of body having mass m2.

Greater than
None of these
Less than
Equal to

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Engineering Mechanics
The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

ω²/r
ω/r
ω².r
ω.r

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Engineering Mechanics
The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is

D/(d₁ + d₂)
2D/(d₁ + d₂)
2D/(d₁ - d₂)
D/(d₁ - d₂)

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Engineering Mechanics
A couple produces

Combined translatory and rotational motion
Translatory motion
Rotational motion
None of these

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MORE MCQ ON Engineering Mechanics

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