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Engineering Mechanics

Engineering Mechanics
The coefficient of friction depends upon

All of these
Nature of surfaces
Area of contact
Shape of the surfaces

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Engineering Mechanics
The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be

L/2
L/3
2L/3
3L/4

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Engineering Mechanics
The point, through which the whole weight of the body acts, irrespective of its position, is known as

Center of percussion
Center of gravity
Moment of inertia
Center of mass

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Engineering Mechanics
The moment of inertia of a square of side (a) about an axis through its center of gravity is

a4/12
a4/36
a4/8
a4/4

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Engineering Mechanics
The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is

D/(d₁ + d₂)
D/(d₁ - d₂)
2D/(d₁ + d₂)
2D/(d₁ - d₂)

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Engineering Mechanics
Centre of gravity of a solid cone lies on the axis at the height

Three eighth of the total height above the base
One-half of the total height above base
One third of the total height above base
One fourth of the total height above base

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MORE MCQ ON Engineering Mechanics

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