Machine Design The railway carriage couplings have Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads Knuckle threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration factor is defined as the ratio of Nominal stress to the maximum stress Maximum stress to the endurance limit Maximum stress to the nominal stress Nominal stress to the endurance limit Nominal stress to the maximum stress Maximum stress to the endurance limit Maximum stress to the nominal stress Nominal stress to the endurance limit 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 The strength of the unriveted plate (P) per pitch length is equal to (p - d) t.σt p.t.σt p.d.σt (p - d) σt (p - d) t.σt p.t.σt p.d.σt (p - d) σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oil in journal bearing should be applied at the point where load is Average Nil or lightest Any one of the above Maximum Average Nil or lightest Any one of the above Maximum ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rivets are generally specified by Thickness of plates to be riveted Nominal diameter Diameter of head Length of rivet Thickness of plates to be riveted Nominal diameter Diameter of head Length of rivet ANSWER DOWNLOAD EXAMIANS APP
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