Machine Design The endurance limit for a mirror polished material will be __________ as compared to unpolished material. Same Less More None of these Same Less More None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rocker arms in internal combustion engines are of__________. First type levers Third type levers Second type levers None of these First type levers Third type levers Second type levers None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Electroplating Polishing Coating Shot peening Electroplating Polishing Coating Shot peening ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be normal to threaded portion of shank Be parallel to axis of bolt Be across threaded portion of shank Never be across the threaded portion Be normal to threaded portion of shank Be parallel to axis of bolt Be across threaded portion of shank Never be across the threaded portion ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Length, width and load Length, width and speed Viscosity, speed and load Viscosity, speed and bearing pressure Length, width and load Length, width and speed Viscosity, speed and load Viscosity, speed and bearing pressure ANSWER DOWNLOAD EXAMIANS APP
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