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 εc + 2εl 2εc + εl εc + εl² εc² + εl εc + 2εl 2εc + εl εc + εl² ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tap bolt Has pointed threads Has a head on one end and a nut fitted to the other Has both the ends threaded Has head at one end and other end fits into a tapped hole in the other part to be joined Has pointed threads Has a head on one end and a nut fitted to the other Has both the ends threaded Has head at one end and other end fits into a tapped hole in the other part to be joined ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which operates without any lubricant present, is called Hydrodynamic lubricated bearing Zero film bearing Boundary lubricated bearing Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Zero film bearing Boundary lubricated bearing Hydrostatic lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having open ends, the fluid pressure induces Shear stress None of these Longitudinal stress Circumferential stress Shear stress None of these Longitudinal stress Circumferential stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 24 kN/m 12 kN/m 6 kN/m 30 kN/m 24 kN/m 12 kN/m 6 kN/m 30 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called Jam nut Sawn nut Castle nut Ring nut Jam nut Sawn nut Castle nut Ring nut ANSWER DOWNLOAD EXAMIANS APP
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