Machine Design The railway carriage couplings have Knuckle threads Square threads Acme threads Buttress threads Knuckle threads Square threads Acme threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to All of these Introduce mechanical flexibility Reduce the transmission of shock loads Introduce protection against over loads All of these Introduce mechanical flexibility Reduce the transmission of shock loads Introduce protection against over loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The washer is generally specified by its Mean diameter Outer diameter Hole diameter Thickness Mean diameter Outer diameter Hole diameter Thickness ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a Short bearing Square bearing Medium bearing Long bearing Short bearing Square bearing Medium bearing Long bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ 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 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
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