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Engineering Mechanics

Engineering Mechanics
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

2πN/180
2πN/60
πN/180
πN/60

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Engineering Mechanics
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

(4p² - q²)/6
[√(4p² - q²)]/6
(p² - q²)/4
(p² + q²)/4

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

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

Chemical energy
Kinetic energy
Potential energy
Electrical energy

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Engineering Mechanics
The unit of angular velocity is

rad/s
Revolutions/min
Both (B) and (C)
m/min

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

ω/2π
2π/ω
2π × ω
π/ω

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MORE MCQ ON Engineering Mechanics

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