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Engineering Mechanics

Engineering Mechanics
The unit of work in S.I. units is

erg
Newton
kg-m
joule

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Engineering Mechanics
The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity.

Square root
None of these
Inversely
Directly

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Engineering Mechanics
The algebraic sum of moments of the forces forming couple about any point in their plane is

Equal to the moment of the couple
Both of above are correct
Both of above are wrong
Constant

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Engineering Mechanics
The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of

0.7 r
0.6 r
0.8 r
0.5 r

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Engineering Mechanics
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)

MS/3
MS/5
MS/4
None of these

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Engineering Mechanics
A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation

6t² - 8t
6f - 8
3t² + 2t
6f - 4

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MORE MCQ ON Engineering Mechanics

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