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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a square of side a about its diagonal is

a²/8
a⁴/12
a³/12
a⁴/16

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Engineering Mechanics
The ratio of limiting friction and normal reaction is known as

Angle of repose
Coefficient of friction
Angle of friction
Sliding friction

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Engineering Mechanics
The unit of angular velocity is

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

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Engineering Mechanics
The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

3r/4π
8r/3
4r/ 3π
3r/ 8

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Engineering Mechanics
The range of projectile (R) on an upward inclined plane is

2u². sin (α + β). cos α/g. cos² β
2u². sin (α - β). cos α/g. cos² β
g. cos² β/2u². sin (α - β). cos α
g. cos² β/2u². sin (α + β). cos α

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

87.5 mm
50 mm
125 mm
75 mm

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MORE MCQ ON Engineering Mechanics

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