Machine Design The ball bearings are, usually, made from High carbon steel High speed steel Medium carbon steel Low carbon steel High carbon steel High speed steel Medium carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design The crest diameter of a screw thread is same as Pitch diameter Major diameter Core diameter Minor diameter Pitch diameter Major diameter Core diameter Minor diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 70 to 83% 63 to 70% 80 to 90% 45 to 60% 70 to 83% 63 to 70% 80 to 90% 45 to 60% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In levers, leverage is the ratio of Load lifted to the effort applied Load arm to the effort arm Mechanical advantage to the velocity ratio Effort arm to the load arm Load lifted to the effort applied Load arm to the effort arm Mechanical advantage to the velocity ratio Effort arm to the load arm 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 - 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The building up of worn and undersized parts, subjected to repeated loads by electroplating is Has no effect as regards fatigue strength Extremely hazardous Cheapest method Best method Has no effect as regards fatigue strength Extremely hazardous Cheapest method Best method ANSWER DOWNLOAD EXAMIANS APP