Recent questions tagged vibrations

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One way of improving vibration isolation is to decrease the mass of

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

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Which one of the following causes the whirling of shafts?

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

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The natural frequency of oscillation is given by which one of the following?

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

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A motion is aperiodic at what value of the damping factor?

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

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Which one of the following portions of the mass of the bar at the free end?

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

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Which one of the following causes the whirling of shafts?

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

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What is the number of nodes in a shaft carrying three rotors?

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

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Match List-I (Property) with List-II (System)

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

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Which one of the following is the correct value of the natural frequency of the system given below?

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

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What is the equivalent spring stiffness?

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

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(A) Open loop system (B) Closed loop system (C) Step input (D) Sinusoidal input

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

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The displacement of the shaft at a speed which is 90% of critical speed in microns is

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

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The distance of node from the rotor of lower moment of inertia is

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

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The mass of the rod is ‘m’ and length ‘l’ the natural frequency of this rod in Hz for small amplitude is

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

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A shaft carries a weight W at the center

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

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A system has viscous damped output. There is non – steady – state lag if input is

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

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During tensional vibration of a shaft, the node is characterized by the

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

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The resonant conditions of the base – excited vibrations, are determined by the

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

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Consider a harmonic motion

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

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Assume that each spring constant is K. the strain energy stored spring (1) is

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

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