Recent questions tagged vibrations

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Seismic transducer working in the displacement mode should have

asked Dec 18, 2017 in tom by chandu (215k points)

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The amplitude of forced vibration of a body increases with increase in the frequency of

asked Dec 18, 2017 in tom by chandu (215k points)

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The lower critical speed will be

asked Dec 18, 2017 in tom by chandu (215k points)

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Artefacts to prevent harmful effects resulting from vibrations of and unbalanced machine fixed on its foundation include

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What is the period of execution of two complete vibrations?

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If the spring stiffness is halved and the mass doubled, then the natural frequency will be

asked Dec 18, 2017 in tom by chandu (215k points)

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The critical damping coefficient for the system is

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The speed rating for turbine rotors is invariably more than times its natural frequency to

asked Dec 18, 2017 in tom by chandu (215k points)

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The natural frequency of the system is

asked Dec 18, 2017 in tom by chandu (215k points)

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The effect of the mass of the spring is accounted for by adding X times its value to the mass, where X is

asked Dec 18, 2017 in tom by chandu (215k points)

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As compared to the time period of a simple pendulum of the earth, its time period on the moon will be

asked Dec 18, 2017 in tom by chandu (215k points)

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The accelerometer is used as a transducer to measure earthquake in Richter scale.

asked Dec 18, 2017 in tom by chandu (215k points)

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Which of the following are responsible for occurrence of critical or whirling speed of shaft?

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Linear vibration analysis has the greatest advantage because of

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The equation of free vibration of a system is

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The first critical speed of an automobile running on a sinusoidal road is calculated by

asked Dec 18, 2017 in tom by chandu (215k points)

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Critical speed is expressed as

asked Dec 18, 2017 in tom by chandu (215k points)

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What is the dangerous speed of the rotor?

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Transmissibility ratio will be equal to unity for all values of

asked Dec 18, 2017 in tom by chandu (215k points)

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What would be the time period of oscillations?

asked Dec 18, 2017 in tom by chandu (215k points)

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