Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by N/Zp Z/pN p/ZN ZN/p N/Zp Z/pN p/ZN ZN/p ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Shot peening Coating Polishing Electroplating Shot peening Coating Polishing Electroplating ANSWER DOWNLOAD EXAMIANS APP
Machine Design A riveted joint is a __________ fastening. Temporary Either A or B None of these Permanent Temporary Either A or B None of these Permanent ANSWER DOWNLOAD EXAMIANS APP
Machine Design The period during which the cam follower remains at rest, when cam moves, is known as Dwell period Constant period Fixed period Idle period Dwell period Constant period Fixed period Idle period ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio is the ratio of Length of path of contact to the circular pitch Length of arc of approach to the circular pitch Length of arc of contact to the circular pitch Length of arc of recess to the circular pitch Length of path of contact to the circular pitch Length of arc of approach to the circular pitch Length of arc of contact to the circular pitch Length of arc of recess to the circular pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 2.5 3.0 3.5 2.8 2.5 3.0 3.5 ANSWER DOWNLOAD EXAMIANS APP