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Engineering Mechanics

Engineering Mechanics
The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is

4mr²/5
2mr²/5
3mr²/5
3mr²/10

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Engineering Mechanics
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

[√(4p² - q²)]/6
(4p² - q²)/6
(p² + q²)/4
(p² - q²)/4

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Engineering Mechanics
The unit of angular velocity is

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

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Engineering Mechanics
The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is

45° + β/2
60° + β/2
30° + β/2
β/2

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

πd3/32
πd4/64
πd4/32
πd3/16

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Engineering Mechanics
In actual machines, mechanical advantage is _________ velocity ratio.

Less than
Equal to
Greater than
None of these

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MORE MCQ ON Engineering Mechanics

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