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) = e–ᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to Static load Static as well as dynamic load Dynamic load Completely reversed load Static load Static as well as dynamic load Dynamic load Completely reversed load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 12.5 m/s 15 m/s 20 m/s 10 m/s 12.5 m/s 15 m/s 20 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) 1 Pc Pc/3 2 Pc 3 Pc 1 Pc Pc/3 2 Pc 3 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the flanges are coupled together by means of Headless taper bolts None of these Bolts and nuts Studs Headless taper bolts None of these Bolts and nuts Studs ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing 0.8% carbon is known as None of these Eutectoid steel Hypereutectoid steel Hypo-eutectoid steel None of these Eutectoid steel Hypereutectoid steel Hypo-eutectoid steel ANSWER DOWNLOAD EXAMIANS APP
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