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 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oil in journal bearing should be applied at the point where load is Maximum Nil or lightest Average Any one of the above Maximum Nil or lightest Average Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 20 to 30% 40 to 50% 10 to 20% 30 to 40% 20 to 30% 40 to 50% 10 to 20% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress induced in the belt is, Torsional shear stress Tensile stress Direct shear stress Compressive stress Torsional shear stress Tensile stress Direct shear stress Compressive stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of V belt drive None of these The belt should not touch the sides of groove in the pulley The belt should touch the bottom of groove in the pulley The belt should not touch the bottom of groove in the pulley None of these The belt should not touch the sides of groove in the pulley The belt should touch the bottom of groove in the pulley The belt should not touch the bottom of groove in the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design Set screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts Similar to stud Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts Similar to stud Slotted for a screw driver and generally used with a nut ANSWER DOWNLOAD EXAMIANS APP
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