Recent questions tagged mechanical-vibrations

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Define logarithmic decrement. How is it related to damping ratio?

asked Nov 26, 2017 in tom by chandu (215k points)

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Determine the amplitude of motion of the machine

asked Nov 26, 2017 in tom by chandu (215k points)

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Find the critical speed of rotation and the maximum bending stress

asked Nov 26, 2017 in tom by chandu (215k points)

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Find the natural frequency of the free torsional vibration of the system.

asked Nov 26, 2017 in tom by chandu (215k points)

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Find the amplitude and phase of the (a) motion of the mass and (b) force transmitted to the support.

asked Nov 26, 2017 in tom by chandu (215k points)

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Find the whirling speed of the shaft in r.p.m.

asked Nov 26, 2017 in tom by chandu (215k points)

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Explain the term whirling or critical speed of a shaft.

asked Nov 26, 2017 in tom by chandu (215k points)

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Draw a self explanatory sketch of a Sigma mechanical comparator.

asked Oct 26, 2017 in TOM by chandu (215k points)

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Determine the (i) stiffness of each spring (ii) dynamic force transmitted to the floor

asked Oct 23, 2017 in TOM by chandu (215k points)

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What is the damping ratio of the foundation?

asked Oct 23, 2017 in TOM by chandu (215k points)

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The displacement and velocity at the time equal to one second.

asked Oct 23, 2017 in TOM by chandu (215k points)

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What type of progression will be followed by the amplitudes of free oscillations with coulomb damping?

asked Oct 20, 2017 in TOM by chandu (215k points)

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logarithmic decrement of a damped system

asked Oct 15, 2017 in TOM by chandu (215k points)

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displacement and velocity of a spring mass system with damping

asked Oct 15, 2017 in TOM by chandu (215k points)

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If the value of transmissibility is to be kept less than unity which one of the following is correct

asked Oct 13, 2017 in TOM by chandu (215k points)

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In a viscously damped vibratory system with harmonic excitation

asked Oct 11, 2017 in TOM by chandu (215k points)

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Coulomb damping results from which one of the following?

asked Oct 11, 2017 in TOM by chandu (215k points)

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For a single degree of freedom viscous damped system transmissibility is less 1 if frequency ratio is

asked Oct 10, 2017 in TOM by chandu (215k points)

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For a harmonically excited single degree of freedom viscous damped system which one of the following is correct?

asked Oct 10, 2017 in TOM by chandu (215k points)

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What is the phase difference between the transmitted force and the disturbing force?

asked Oct 9, 2017 in TOM by chandu (215k points)

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