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) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design A fast and loose pulley drive is used when Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the opposite directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the opposite directions ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod subjected to an axial load may buckle with Y-axis as neutral axis X-axis or Y-axis as neutral axis Z-axis X-axis as neutral axis Y-axis as neutral axis X-axis or Y-axis as neutral axis Z-axis X-axis as neutral axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called Hydrostatic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrodynamic lubricated bearing Hydrostatic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrodynamic lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Acme threads Multiple threads Buttress threads Square threads Acme threads Multiple threads Buttress threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 4F/ πd² 6F/ πd² 16F/ 3πd² 8F/ πd² 4F/ πd² 6F/ πd² 16F/ 3πd² 8F/ πd² ANSWER DOWNLOAD EXAMIANS APP
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