Machine Design The railway carriage couplings have Acme threads Square threads Buttress threads Knuckle threads Acme threads Square threads Buttress threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt joint from damaging the belt surface Increase the power transmission capacity Prevent the belt from running off the pulley Increase the belt velocity Prevent the belt joint from damaging the belt surface Increase the power transmission capacity Prevent the belt from running off the pulley Increase the belt velocity ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft coupling should Hold the shafts in perfect alignment Be easy to connect or disconnect Transmit full power of the shaft All of these Hold the shafts in perfect alignment Be easy to connect or disconnect Transmit full power of the shaft All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to All of these Reduce the transmission of shock loads Introduce protection against over loads Introduce mechanical flexibility All of these Reduce the transmission of shock loads Introduce protection against over loads Introduce mechanical flexibility 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 3 times more 2 times more Same in both cases 4 times more 3 times more 2 times more Same in both cases 4 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Hot working Shot peening Grinding and lapping surface Cold working Hot working Shot peening Grinding and lapping surface Cold working ANSWER DOWNLOAD EXAMIANS APP
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