Machine Design For tight leakage joints, following type of thread is best suited Metric Buttress NPT (national pipe threads). Square Metric Buttress NPT (national pipe threads). Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B. Four times Twice Eight times Sixteen times Four times Twice Eight times Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Machine Design The backlash for spur gears depends upon Both module and pitch line velocity Module Pitch line velocity Tooth profile Both module and pitch line velocity Module Pitch line velocity Tooth profile ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Hole for inserting split pin Coefficient of friction is greater than tangent of load angle Fine threads Course threads Hole for inserting split pin Coefficient of friction is greater than tangent of load angle Fine threads Course threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The period during which the cam follower remains at rest, when cam moves, is known as Dwell period Fixed period Idle period Constant period Dwell period Fixed period Idle period Constant period ANSWER DOWNLOAD EXAMIANS APP