Machine Design Residual stress in materials Is always harmful Acts when external load is applied Is independent of external loads Becomes zero when external load is removed Is always harmful Acts when external load is applied Is independent of external loads Becomes zero when external load is removed ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a material fails below its yield point, failure would be due to Sudden loading Fatigue Creep Straining Sudden loading Fatigue Creep Straining ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Joint may not open up Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Joint may not open up Bolts will not loosen during service ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as, Soft key Hollow key None of these Hollow saddle key Soft key Hollow key None of these Hollow saddle key ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio is the ratio of Length of arc of approach to the circular pitch Length of arc of contact to the circular pitch Length of path of contact to the circular pitch Length of arc of recess to the circular pitch Length of arc of approach to the circular pitch Length of arc of contact to the circular pitch Length of path of contact to the circular pitch Length of arc of recess to the circular pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends on Initial tension All of these Relative elastic yielding (springness) of the bolt and the connected member External load applied Initial tension All of these Relative elastic yielding (springness) of the bolt and the connected member External load applied ANSWER DOWNLOAD EXAMIANS APP