Machine Design Which one of the following loading is considered for the design of axles? Twisting moment only Bending moment only Combined bending moment and twisting moments Combined action of bending moment, twisting moment and axial thrust Twisting moment only Bending moment only Combined bending moment and twisting moments Combined action of bending moment, twisting moment and axial thrust ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which operates without any lubricant present, is called Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Zero film bearing Boundary lubricated bearing Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Zero film bearing Boundary lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Load required to produce unit deflection Its ability to absorb shocks Its capability of storing energy Ratio of coil diameter to wire diameter Load required to produce unit deflection Its ability to absorb shocks Its capability of storing energy Ratio of coil diameter to wire diameter 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 3.5 3 2.5 2.8 3.5 3 2.5 2.8 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 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt can be increased by Grinding the shank Making shank diameter equal to core diameter of thread Tightening it properly Increasing shank diameter Grinding the shank Making shank diameter equal to core diameter of thread Tightening it properly Increasing shank diameter ANSWER DOWNLOAD EXAMIANS APP
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