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Engineering Mechanics

Engineering Mechanics
If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be

Infinity
Maximum
Minimum
Zero

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Engineering Mechanics
If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by

(v₁ - v₂)/(u₁ - u₂)
(u₁ - u₂)/(v₁ - v₂)
(u₂ + u₁)/(v₂ + v₁)
(v₂ - v₁)/(u₁ - u₂)

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Engineering Mechanics
The ratio of limiting friction and normal reaction is known as

Coefficient of friction
Angle of repose
Angle of friction
Sliding friction

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Engineering Mechanics
A cable with a uniformly distributed load per horizontal meter run will take the following shape

Hyperbola
Elliptical
Straight line
Parabola

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Engineering Mechanics
The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by

T.ω/75 (in kilowatts)
T.ω/4500 (in kilowatts)
T.ω (in watts)
T.ω/60 (in watts)

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

π/ω
2π × ω
ω/2π
2π/ω

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MORE MCQ ON Engineering Mechanics

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