Recent questions tagged vibrations

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A damped free vibration is expressed by the general equation

asked Dec 16, 2017 in tom by chandu (215k points)

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Match List – I with List – II and select the correct answer using the codes given below the lists

asked Dec 16, 2017 in tom by chandu (215k points)

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The critical speed of a rotating shaft depends upon

asked Dec 16, 2017 in tom by chandu (215k points)

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The frequency of oscillations of the block along the axis of the spring is

asked Dec 16, 2017 in tom by chandu (215k points)

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The damping ratio of the system is

asked Dec 16, 2017 in tom by chandu (215k points)

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When the mass of a critically damped single degree of freedom system is

asked Dec 16, 2017 in tom by chandu (215k points)

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The natural frequency is greater than

asked Dec 16, 2017 in tom by chandu (215k points)

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The transfer function of the system is

asked Dec 16, 2017 in tom by chandu (215k points)

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What will be the frequency when one more similar spring added in series as shown in figure 2?

asked Dec 16, 2017 in tom by chandu (215k points)

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Critical speed of the shaft in the second case is

asked Dec 16, 2017 in tom by chandu (215k points)

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The transmissibility of vibrations will be

asked Dec 16, 2017 in tom by chandu (215k points)

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Which of the following methods can be used to determine the damping of machine element?

asked Dec 16, 2017 in tom by chandu (215k points)

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Its natural frequency is

asked Dec 16, 2017 in tom by chandu (215k points)

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Then at the critical speed, the relative positions of G and S are given by

asked Dec 16, 2017 in tom by chandu (215k points)

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When the shaft is rotated a 300 revolutions per minute, it will whirl with a radius of

asked Dec 16, 2017 in tom by chandu (215k points)

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The lowest critical speed is

asked Dec 16, 2017 in tom by chandu (215k points)

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The equivalent length of the shaft is

asked Dec 16, 2017 in tom by chandu (215k points)

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A system is shown in the following figure. The bar AB is assumed to be rigid and weightless

asked Dec 16, 2017 in tom by chandu (215k points)

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The critical damping coefficient of this system is

asked Dec 16, 2017 in tom by chandu (215k points)

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Match List –I (Force transmissibility) with List-II (frequency ratio)

asked Dec 16, 2017 in tom by chandu (215k points)

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