Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 5 to 10 3 to 5 1 to 2 0.5 to 1 5 to 10 3 to 5 1 to 2 0.5 to 1 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given byWhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians) (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 P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in cyclic loading is Seriousness would depend on other factors Very serious in brittle materials and less serious in ductile materials Equally serious in both types of materials Very serious in ductile materials and less serious in brittle materials Seriousness would depend on other factors Very serious in brittle materials and less serious in ductile materials Equally serious in both types of materials Very serious in ductile materials and less serious in brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) 0.175 - (0.841/T) 0.154 - (0.912/T) 0.124 - (0.684/T) None of these 0.175 - (0.841/T) 0.154 - (0.912/T) 0.124 - (0.684/T) None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The square threads are usually found on Screw cutting lathes Spindles of bench vices Railway carriage couplings Feed mechanism of machine tools Screw cutting lathes Spindles of bench vices Railway carriage couplings Feed mechanism of machine tools ANSWER DOWNLOAD EXAMIANS APP
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