Machine Design The shock absorbing capacity of a bolt can be increased by Making shank diameter equal to core diameter of thread Tightening it properly Increasing shank diameter Grinding the shank Making shank diameter equal to core diameter of thread Tightening it properly Increasing shank diameter Grinding the shank ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Equal to Smaller than None of these Larger than Equal to Smaller than None of these Larger than ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Does not depend upon Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two helical springs of equal lengths are arranged to form a cluster spring, then Only A is correct Shear stress in each spring will be equal Load taken by each spring will be half the total load Both A and B is correct Only A is correct Shear stress in each spring will be equal Load taken by each spring will be half the total load Both A and B is correct ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 63 to 70% 45 to 60% 80 to 90% 70 to 83% 63 to 70% 45 to 60% 80 to 90% 70 to 83% ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 700 to 900°C 500 to 600°C 1100 to 1300°C 1300 to 1500°C 700 to 900°C 500 to 600°C 1100 to 1300°C 1300 to 1500°C ANSWER DOWNLOAD EXAMIANS APP
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