Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). Metric Buttress Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Shot peening Electroplating Polishing Coating Shot peening Electroplating Polishing Coating ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called Normal pitch Module Diametral pitch Axial pitch Normal pitch Module Diametral pitch Axial pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design Yield point in fatigue loading as compared to static loading is Higher Same Depends on other factors Lower Higher Same Depends on other factors Lower ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design The belt slip occurs due to Loose belt Driving pulley too small Any one of the above Heavy load Loose belt Driving pulley too small Any one of the above Heavy load ANSWER DOWNLOAD EXAMIANS APP