Theory of Machine Which of the following governor is used to drive a gramophone? Porter governor Hartnell governor Watt governor Pickering governor Porter governor Hartnell governor Watt governor Pickering governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be Hunt Unstable Stable Isochronous Hunt Unstable Stable Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of path of recess)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the path of approach)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the path of approach)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) μwr ²/₃ μWR ½μWR ¾μWR μwr ²/₃ μWR ½μWR ¾μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Permanent instantaneous centers None of these Fixed instantaneous centers Neither fixed nor permanent instantaneous centers Permanent instantaneous centers None of these Fixed instantaneous centers Neither fixed nor permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps In decreasing the slip of the belt Increase belt and pulley life For automatic adjustment of belt position so that belt runs centrally In increasing velocity ratio In decreasing the slip of the belt Increase belt and pulley life For automatic adjustment of belt position so that belt runs centrally In increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
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