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Engineering Mechanics

Engineering Mechanics
A smooth cylinder lying on a __________ is in neutral equilibrium.

Horizontal surface
None of these
Curved surface
Convex surface

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Engineering Mechanics
The range of a projectile is maximum, when the angle of projection is

60°
30°
45°
90°

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Engineering Mechanics
The time of flight (t) of a projectile on a horizontal plane is given by

t = 2u. cosα/g
t = 2u. sinα/g
t = 2u. tanα/g
t = 2u/g.sinα

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Engineering Mechanics
A framed structure is imperfect, if the numbers of members are __________ (2j - 3).

Either (B) or (C)
Equal to
Greater than
Less than

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Engineering Mechanics
The centre of gravity of a right circular solid cone is at a distance of _________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.)

h/4
h/2
h/6
h/3

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Engineering Mechanics
The mechanical advantage of a lifting machine is the ratio of

All of these
Load lifted to the effort applied
Output to the input
Distance moved by effort to the distance moved by load

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MORE MCQ ON Engineering Mechanics

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