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Engineering Mechanics

Engineering Mechanics
Moment of inertia of a circular section about an axis perpendicular to the section is

πd4/32
πd3/32
πd3/16
πd4/64

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Engineering Mechanics
The unit of moment of inertia of an area is

m4
kg-m-s2
kg-m2
kg/m2

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Engineering Mechanics
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

πN/60
2πN/180
2πN/60
πN/180

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Engineering Mechanics
The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is

50 mm
75 mm
125 mm
87.5 mm

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Engineering Mechanics
When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is

mgv2
mv2
0.5 mgv2
0.5 mv2

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Engineering Mechanics
The time of flight of a projectile on downward inclined plane depends upon

Angle of projection
None of these
Angle of inclination of the plane
Both (A) and (B)

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MORE MCQ ON Engineering Mechanics

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