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Engineering Mechanics

Engineering Mechanics
Moment of inertia of a circular section about its diameter (d) is

πd3/16
πd4/64
πd4/32
πd3/32

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Engineering Mechanics
A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

Downward at its upper end
Upward at its upper end
Towards the wall at its upper end
Away from the wall at its upper end

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Engineering Mechanics
One joule is equal to

1 N-m
100 N-m
0.1 N-m
10 N-m

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Engineering Mechanics
The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by

2P cosθ/2
2P cotθ/2
2P sinθ/2
2P tanθ/2

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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/6
h/4
h/2
h/3

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Engineering Mechanics
The unit of angular velocity is

rad/s
m/min
Both (B) and (C)
Revolutions/min

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MORE MCQ ON Engineering Mechanics

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