Machine Design For longitudinal joint in boilers, the type of joint used is Butt joint with single cover plate Lap joint with one ring overlapping the other Butt joint with double cover plate Any one of the above Butt joint with single cover plate Lap joint with one ring overlapping the other Butt joint with double cover plate Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Becomes zero when external load is removed Acts when external load is applied Is independent of external loads Is always harmful Becomes zero when external load is removed Acts when external load is applied Is independent of external loads Is always harmful ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given byWhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα 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 εc² + εl 2εc + εl εc + εl² εc + 2εl εc² + εl 2εc + εl εc + εl² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Draw into wires by the application of a tensile force Retain deformation produced under load permanently Regain its original shape after deformation when the external forces are removed Resist fracture due to high impact loads Draw into wires by the application of a tensile force Retain deformation produced under load permanently Regain its original shape after deformation when the external forces are removed Resist fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? Tangent key Gib-head key Feather key Woodruff key Tangent key Gib-head key Feather key Woodruff key ANSWER DOWNLOAD EXAMIANS APP
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