Machine Design The connecting rod bolts are tightened up so that tightening stress Is 50% of yield point Approaches yield point Is just sufficient to hold parts together Is about yield point divided by safety factor Is 50% of yield point Approaches yield point Is just sufficient to hold parts together Is about yield point divided by safety factor 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 / 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 (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design Deep groove ball bearings are used for Small angular displacement of shafts Radial load at high speed Combined thrust and radial loads at high speed Heavy thrust load only Small angular displacement of shafts Radial load at high speed Combined thrust and radial loads at high speed Heavy thrust load only ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 25 17 21 15 25 17 21 15 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The temperature at which the new grains are formed in the metal is known as Recrystallization temperature Lower critical temperature Upper critical temperature None of these Recrystallization temperature Lower critical temperature Upper critical temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called Hydrodynamic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrostatic lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
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