Machine Design The contact ratio for gears is Less than one None of these Greater than one Zero Less than one None of these Greater than one Zero 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, Hollow saddle key Soft key None of these Hollow key Hollow saddle key Soft key None of these Hollow key ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be (6V/ π)1/3 (6V/ π)3 (6V/ π)1/2 (6V/ π)2 (6V/ π)1/3 (6V/ π)3 (6V/ π)1/2 (6V/ π)2 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 Bolts will not loosen during service Joint may not open up The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Bolts will not loosen during service Joint may not open up ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Low starting and low running friction except at very high speeds Small overall dimensions Accuracy of shaft alignment All of these Low starting and low running friction except at very high speeds Small overall dimensions Accuracy of shaft alignment All of these ANSWER DOWNLOAD EXAMIANS APP
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