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Engineering Mechanics

Engineering Mechanics
A smooth cylinder lying on its convex surface remains in __________ equilibrium.

None of these
Unstable
Stable
Neutral

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Engineering Mechanics
A screw jack used for lifting the loads is

An ideal machine
A non-reversible machine
None of these
A reversible machine

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Engineering Mechanics
The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.)

(1/2π). √(g/l)
2π. √(l/g)
None of these
(1/2π). √(l/g)

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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 coefficient of restitution for inelastic bodies is

Zero
Between zero and one
One
More than one

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Engineering Mechanics
Centre of gravity of a solid cone lies on the axis at the height

One third of the total height above base
One-half of the total height above base
One fourth of the total height above base
Three eighth of the total height above the base

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