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Engineering Mechanics

Engineering Mechanics
The maximum efficiency of a lifting machine is

m/V.R.
V.R./m
1/(m × V.R.)
1/m

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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/2
h/4
h/3
h/6

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Engineering Mechanics
The motion of a wheel of a car is

None of the listed here
Purely rotational
Combined translation and rotational
Purely translation

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Engineering Mechanics
The rate of doing work is known as

Kinetic energy
Potential energy
Power
None of these

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

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

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Engineering Mechanics
A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints.

None of these
Equal to
Greater than
Less than

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MORE MCQ ON Engineering Mechanics

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