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Engineering Mechanics

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

πd4/64
πd4/32
πd3/32
πd3/16

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Engineering Mechanics
An ideal machine is one whose efficiency is

1
Between 60 and 70 %
Between 70 and 80%
Between 80 and 90%

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Engineering Mechanics
The unit of work in S.I. units is

erg
joule
Newton
kg-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/6
h/4
h/3
h/2

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Engineering Mechanics
The units of moment of inertia of mass are

m²/kg
kg/m
kg-m²
kg/m²

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Engineering Mechanics
The maximum acceleration of a particle moving with simple harmonic motion is

ω
ω/r
ωr
ω²r

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MORE MCQ ON Engineering Mechanics

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