Mechanical Engineering :: Theory of Machine
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When no external force acts on a body, after giving it an initial displacement, the body is said to have free vibrations.
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Which of the following is an example of sliding pair?
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The coriolis component of acceleration exists whenever apoint moves along a path that has
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In a steam engine, the distance by which the inner edge of the D-slide valve overlaps the steam port is called lead.
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A shaft of mass (mc)and stiffness (s) is fixed at one end and carries a mass (m) at the other end. The natural frequency of its transverse vibration is same as for longitudinal vibration.
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The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)
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The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.
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The stress induced in a body will be shear stress, when it is subjected to
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A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become
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When a body is subjected to longitudinal vibrations, the stress induced in a body will be tensile or compressive stress.
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