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Engineering Mechanics

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

16
8
4
20

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Engineering Mechanics
The coefficient of friction depends upon

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

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Engineering Mechanics
If n = number of members and y = number of joints, then for a perfect frame, n = ?

43892
43865
43864
43832

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Engineering Mechanics
The law of motion involved in the recoil of gun is

None of these
Newton's second law of motion
Newton's first law of motion
Newton's third law of motion

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Engineering Mechanics
The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)

P = C - mW
P = m/W + C
P = mW - C
P = mW + C

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Engineering Mechanics
The velocity of a particle moving with simple harmonic motion is _________ at the mean position.

Minimum
Zero
Maximum
None of these

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MORE MCQ ON Engineering Mechanics

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