Machine Design Shaft coupling is used in machinery to Introduce mechanical flexibility Reduce the transmission of shock loads Introduce protection against over loads All of these Introduce mechanical flexibility Reduce the transmission of shock loads Introduce protection against over loads All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Electroplating Coating Shot peening Polishing Electroplating Coating Shot peening Polishing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to Dynamic loading Combined static and dynamic loading Completely reversed loading Static loading Dynamic loading Combined static and dynamic loading Completely reversed loading Static loading ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Length, width and speed Viscosity, speed and load Viscosity, speed and bearing pressure Length, width and load Length, width and speed Viscosity, speed and load Viscosity, speed and bearing pressure Length, width and load ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Which one is rigid will depend on several other factors A member made of cast iron will generally be more rigid than a member of equal load carrying ability made of steel A member made of steel will generally be more rigid than a member of equal load carrying ability made of cast iron Both will be equally rigid Which one is rigid will depend on several other factors A member made of cast iron will generally be more rigid than a member of equal load carrying ability made of steel A member made of steel will generally be more rigid than a member of equal load carrying ability made of cast iron Both will be equally rigid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS