Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing. None of these Fully Either A or B Partially None of these Fully Either A or B Partially ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bench vice has following type of threads Acme Buttress Metric Square Acme Buttress Metric Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design The size of a cam depends upon Prime circle Pitch curve Pitch circle Base circle Prime circle Pitch curve Pitch circle Base circle ANSWER DOWNLOAD EXAMIANS APP
Machine Design In block brakes, the ratio of shoe width to wheel diameter is taken between 0.75 and 1 0.50 and 0.75 0.1 and 0.25 0.25 and 0.50 0.75 and 1 0.50 and 0.75 0.1 and 0.25 0.25 and 0.50 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends upon All of these External load applied Relative elastic yielding of the bolt and the connected members Initial tension due to tightening of the bolt All of these External load applied Relative elastic yielding of the bolt and the connected members Initial tension due to tightening of the bolt ANSWER DOWNLOAD EXAMIANS APP
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