Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.65 0.2 0.5 0.35 0.65 0.2 0.5 0.35 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Viscosity, speed and load Length, width and speed Viscosity, speed and bearing pressure Length, width and load Viscosity, speed and load Length, width and speed Viscosity, speed and bearing pressure Length, width and load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 2840 d 1420 d 2080 d 1680 d 2840 d 1420 d 2080 d 1680 d 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 = 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 (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to (1/2) × [M + √(M² + T²)] √(M² + T²) (1/2) × √(M² + T²) M + √(M² + T²) (1/2) × [M + √(M² + T²)] √(M² + T²) (1/2) × √(M² + T²) M + √(M² + T²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A feather key is generally Loose in shaft and tight in hub Tight in both shaft and hub Loose in both shaft and hub Tight in shaft and loose in hub Loose in shaft and tight in hub Tight in both shaft and hub Loose in both shaft and hub Tight in shaft and loose in hub ANSWER DOWNLOAD EXAMIANS APP
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