Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by ZN/p Z/pN N/Zp p/ZN ZN/p Z/pN N/Zp p/ZN ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, if one of the belts break, then The entire set of belts is replaced The broken belt need not to be replaced Only the broken belt is replaced The broken belt and the belt on either side of it, is replaced The entire set of belts is replaced The broken belt need not to be replaced Only the broken belt is replaced The broken belt and the belt on either side of it, is replaced 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) = e–ᶠα P1 / P2 = eᶠα 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a material fails below its yield point, failure would be due to Sudden loading Straining Creep Fatigue Sudden loading Straining Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle between the sides of V-belt is 40° 45° 60° 38° 40° 45° 60° 38° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions in V-belt drives is __________ flat belt drives. sin α times less than Equal to cosec α times more than sin α times more than sin α times less than Equal to cosec α times more than sin α times more than ANSWER DOWNLOAD EXAMIANS APP
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