Machine Design Residual stress in materials Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Three different weights fall from a certain height under vacuum. They will take None of these Same time to reach earth Times inversely proportional to weight to reach earth Times proportional to weight to reach earth None of these Same time to reach earth Times inversely proportional to weight to reach earth Times proportional to weight to reach earth ANSWER DOWNLOAD EXAMIANS APP
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 ZN/p Z/pN N/Zp p/ZN ZN/p Z/pN N/Zp p/ZN ANSWER DOWNLOAD EXAMIANS APP
Machine Design The wear load should be __________ the dynamic load. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 80 to 90% 45 to 60% 70 to 83% 63 to 70% 80 to 90% 45 to 60% 70 to 83% 63 to 70% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of second type levers is found in A pair of tongs Handle of a hand pump Hand wheel of a punching press Lever of a loaded safety valve A pair of tongs Handle of a hand pump Hand wheel of a punching press Lever of a loaded safety valve ANSWER DOWNLOAD EXAMIANS APP