Theory of Machine Which of the following governor is used to drive a gramophone? Hartnell governor Porter governor Pickering governor Watt governor Hartnell governor Porter governor Pickering governor Watt governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship. Vertically and parallel Horizontally and parallel Vertically and perpendicular Horizontally and perpendicular Vertically and parallel Horizontally and parallel Vertically and perpendicular Horizontally and perpendicular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 2 1 0.5 0.25 2 1 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts Perpendicular to sliding surfaces Along sliding surfaces None of these Somewhere in between above two Perpendicular to sliding surfaces Along sliding surfaces None of these Somewhere in between above two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of 2.22 mm 2 mm 2.50 mm 3.0 mm 2.22 mm 2 mm 2.50 mm 3.0 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.5615/ √δS 0.571/ √δS 0.4985/ √δS 0.6253/ √δS 0.5615/ √δS 0.571/ √δS 0.4985/ √δS 0.6253/ √δS ANSWER DOWNLOAD EXAMIANS APP
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