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 2εc + εl εc + 2εl εc + εl² εc² + εl 2εc + εl εc + 2εl εc + εl² εc² + εl 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 p/ZN N/Zp Z/pN ZN/p p/ZN N/Zp Z/pN ZN/p ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following welded joint is designed for shear strength? Butt welded joint Parallel fillet welded joint All of these Transverse fillet welded joint Butt welded joint Parallel fillet welded joint All of these Transverse fillet welded joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) 3 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n (π/4) d² × τ × n 3 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts will have equal strength, if Material of both the shafts is same Diameter of both the shafts is same Angle of twist of both the shafts is same Twisting moment of both the shafts is same Material of both the shafts is same Diameter of both the shafts is same Angle of twist of both the shafts is same Twisting moment of both the shafts is same ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Move towards left of the bearing making metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making the metal to metal contact Move towards right of the bearing making no metal to metal contact Move towards left of the bearing making metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making the metal to metal contact Move towards right of the bearing making no metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
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