Machine Design The endurance limit of a material with finished surface in comparison to rough surface is Less Same More More or less depending on quantum of load Less Same More More or less depending on quantum of load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Increasing Both A and B None of these Reducing Increasing Both A and B None of these Reducing ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having closed ends, the fluid pressure induces Circumferential stress None of these Shear stress Longitudinal stress Circumferential stress None of these Shear stress Longitudinal stress 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 3 2.8 3.5 2.5 3 2.8 3.5 2.5 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 εc² + εl 2εc + εl εc + 2εl εc + εl² εc² + εl 2εc + εl εc + 2εl εc + εl² 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) 1 Pc 3 Pc 2 Pc Pc/3 1 Pc 3 Pc 2 Pc Pc/3 ANSWER DOWNLOAD EXAMIANS APP