Self Evaluation - Longitudinal Vibration of Spring
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Critical speed is expressed as *
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The first critical speed of an automobile running on a sinusoidal road is calculated by (modeling it as a single degree of freedom system) *
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The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in *
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In vibration isolation system, if ω/ωn, then the phase difference between the transmitted force and the disturbing force is *
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Critical damping is a function of *
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A slender shaft supported on two bearings at its ends carries a disc with an eccentricity e from the axis of rotation. The critical speed of the shaft is Nc. If the disc is replaced by a second one of same mass but mounted with an eccentricity 2e, then the critical speed of the shaft in the second case is *
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Which one of the following causes whirling of shafts? *
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Whirling speed of a shaft coincides with the natural frequency of its *
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