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 p/ZN Z/pN ZN/p N/Zp p/ZN Z/pN ZN/p ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as The ratio of endurance limit without stress concentration to the endurance limit with stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase its length Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase its length Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing. Thin film None of these Either A or B Thick film Thin film None of these Either A or B Thick film ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as One end fixed and the other end free Both the ends hinged Both the ends fixed One end fixed and the other end hinged One end fixed and the other end free Both the ends hinged Both the ends fixed One end fixed and the other end hinged ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS