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Engineering Mechanics

Engineering Mechanics
The rate of doing work is known as

Kinetic energy
None of these
Potential energy
Power

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Engineering Mechanics
A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

10
40
5
20

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Engineering Mechanics
The unit of force in S.I. system of units is

Kilogram
Dyne
Watt
Newton

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Engineering Mechanics
The velocity ratio of a first system of pulleys with 4 pulleys is

16
4
20
8

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

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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.

8r/3
3r/4π
4r/ 3π
3r/ 8

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MORE MCQ ON Engineering Mechanics

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