Civil Engineering · all questions

Applied Mechanics And Graphic Statics
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Q121

Pick up the incorrect statement from the following. In a simple harmonic motion

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Q122

Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,

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Q123

Impulse can be obtained from a

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Q124

The angle of friction is:

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Q125

M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is

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Q126

It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to

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Q127

A funicular polygon cannot be made to pass through

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Q128

A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

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Q129

If the angle of projection is double the angle of inclination (

α

) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be

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Q130

One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is

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Q131

If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

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Q132

At a given instant ship ‘A’ is travelling at 6 km/h due east and ship ‘B’ is travelling at 8 km/h due north. The velocity of ‘B’ relative to ‘A’ is

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Q133

The torque produced by a force depends on
(i) The magnitude of the force
(ii) The direction of the force
(iii) The point of application of the force relative to origin

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Q134

If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to

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Q135

Rate of change of angular momentum is equal to

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Q136

Lami's theorem states that

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Q137

The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known

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Q138

A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be

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Q139

A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be

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Q140

The units of inertia of mass are

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