Machine Design Screws used for power transmission should have Very fine threads Low efficiency Strong teeth High efficiency Very fine threads Low efficiency Strong teeth High efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress for carbon steel under static loading is generally taken as 4000-4500 kg/cm² 7500-10,000 kg/cm² 2000-3000 kg/m² 3000-4000 kg/cm² 4000-4500 kg/cm² 7500-10,000 kg/cm² 2000-3000 kg/m² 3000-4000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases 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 The flank of the tooth is the Surface of the top of the tooth Surface of the tooth below the pitch surface Surface of the tooth above the pitch surface Width of the tooth measured along the pitch circle Surface of the top of the tooth Surface of the tooth below the pitch surface Surface of the tooth above the pitch surface Width of the tooth measured along the pitch circle ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is a thin film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing There is a thin film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design If two springs are in parallel then their overall stiffness will be Same Half None of these Double Same Half None of these Double ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS