Machine Design Screws used for power transmission should have Very fine threads Strong teeth Low efficiency High efficiency Very fine threads Strong teeth Low efficiency High efficiency 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 The shock absorbing capacity of a bolt may be increased by Tightening the bolt properly Making the shank diameter equal to core diameter of thread Increasing its shank diameter Decreasing its shank diameter Tightening the bolt properly Making the shank diameter equal to core diameter of thread Increasing its shank diameter Decreasing its shank diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design A double strap butt joint (with equal straps) is Either in single shear or double shear Always in single shear Always in double shear Any one of these Either in single shear or double shear Always in single shear Always in double shear Any one of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is directly proportional to Does not depend upon Is equal to cos φ multiplied by Is inversely proportional to Is directly proportional to Does not depend upon Is equal to cos φ multiplied by Is inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Hole for inserting split pin Fine threads Course threads Coefficient of friction is greater than tangent of load angle Hole for inserting split pin Fine threads Course threads Coefficient of friction is greater than tangent of load angle ANSWER DOWNLOAD EXAMIANS APP
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