Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be 3W/A W/A W/2A 2W/A 3W/A W/A W/2A 2W/A 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'. One-eighth Double One-half One-fourth One-eighth Double One-half One-fourth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of shafts made of brittle materials is based on St Venant's theory Rankine's theory Guest's theory Von Mises theory St Venant's theory Rankine's theory Guest's theory Von Mises theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to Static loading Combined static and dynamic loading Completely reversed loading Dynamic loading Static loading Combined static and dynamic loading Completely reversed loading Dynamic loading ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is Larger Smaller Equal Larger/smaller depending on diameter of spring coil Larger Smaller Equal Larger/smaller depending on diameter of spring coil ANSWER DOWNLOAD EXAMIANS APP
Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be εc + 2εl εc + εl² εc² + εl 2εc + εl εc + 2εl εc + εl² εc² + εl 2εc + εl ANSWER DOWNLOAD EXAMIANS APP