Machine Design The size of a gear is usually specified by Circular pitch Pitch circle diameter Pressure angle Diametral pitch Circular pitch Pitch circle diameter Pressure angle Diametral pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt may be increased by Increasing its shank diameter Making the shank diameter equal to core diameter of thread Tightening the bolt properly Decreasing its shank diameter Increasing its shank diameter Making the shank diameter equal to core diameter of thread Tightening the bolt properly Decreasing its shank diameter 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 = eᶠα (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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) 0.154 - (0.912/T) None of these 0.175 - (0.841/T) 0.124 - (0.684/T) 0.154 - (0.912/T) None of these 0.175 - (0.841/T) 0.124 - (0.684/T) ANSWER DOWNLOAD EXAMIANS APP
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 p/ZN ZN/p Z/pN N/Zp p/ZN ZN/p Z/pN N/Zp ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 20 to 30% 30 to 40% 40 to 50% 10 to 20% 20 to 30% 30 to 40% 40 to 50% 10 to 20% ANSWER DOWNLOAD EXAMIANS APP
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