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Engineering Mechanics

Engineering Mechanics
The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is

2D/(D + d)
D/(D + d)
D/(D - d)
2D/(D - d)

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

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Engineering Mechanics
The maximum height of a projectile on a horizontal plane, is

u² cos²α/2g
u² sin²α/2g
u² sin²α/g
u² cos²α/g

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Engineering Mechanics
A machine having an efficiency less than 50%, is known as

Reversible machine
Non-reversible machine
Neither reversible nor non-reversible machine
Ideal machine

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Engineering Mechanics
The coefficient of restitution for inelastic bodies is

More than one
One
Zero
Between zero and one

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

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

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MORE MCQ ON Engineering Mechanics

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