Machine Design Residual stress in materials Is always harmful Is independent of external loads Acts when external load is applied Becomes zero when external load is removed Is always harmful Is independent of external loads Acts when external load is applied Becomes zero when external load is removed ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) Pc/3 3 Pc 2 Pc 1 Pc Pc/3 3 Pc 2 Pc 1 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. Double One-fourth One-eighth One-half Double One-fourth One-eighth One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following has threads at both ends? Bolt Tap bolt None of these Stud Bolt Tap bolt None of these Stud ANSWER DOWNLOAD EXAMIANS APP
Machine Design Screws used for power transmission should have Strong teeth Low efficiency Very fine threads High efficiency Strong teeth Low efficiency Very fine threads High efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will Have same value as that of standard specimen Increase None of these Decrease Have same value as that of standard specimen Increase None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
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