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Engineering Mechanics

Engineering Mechanics
A pendulum which executes one beat per second is known as

Simple pendulum
Second's pendulum
Compound pendulum
Torsional pendulum

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Engineering Mechanics
A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

Reversible
None of these
Ideal
Non-reversible

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Engineering Mechanics
The ideal angle of banking provided on the curves on roads depends upon

Coefficient of friction between the road and vehicle contact point
Nature of the road surface
(Velocity)2 of the vehicle
Weight of the vehicle

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

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Engineering Mechanics
Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is

bh3/8
bh3/12
bh3/4
bh3/36

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Engineering Mechanics
Static friction is always __________ dynamic friction.

None of these
Less than
Equal to
Greater than

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MORE MCQ ON Engineering Mechanics

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