Machine Design Shaft coupling is used in machinery to Reduce the transmission of shock loads Introduce mechanical flexibility All of these Introduce protection against over loads Reduce the transmission of shock loads Introduce mechanical flexibility All of these Introduce protection against over loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be 2 times more Same in both cases 4 times more 3 times more 2 times more Same in both cases 4 times more 3 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by Equating tearing resistance of the plate to the shearing resistance of the rivets None of these Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the shearing resistance of the rivets None of these Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of second type levers is found in A pair of tongs Lever of a loaded safety valve Handle of a hand pump Hand wheel of a punching press A pair of tongs Lever of a loaded safety valve Handle of a hand pump Hand wheel of a punching press ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. None of these Higher Same Lower None of these Higher Same Lower ANSWER DOWNLOAD EXAMIANS APP
Machine Design The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket) p = D sin (120°/T) p = D sin (360°/T) p = D sin (90°/T) p = D sin (180°/T) p = D sin (120°/T) p = D sin (360°/T) p = D sin (90°/T) p = D sin (180°/T) ANSWER DOWNLOAD EXAMIANS APP
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