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 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod subjected to an axial load may buckle with X-axis or Y-axis as neutral axis Z-axis Y-axis as neutral axis X-axis as neutral axis X-axis or Y-axis as neutral axis Z-axis Y-axis as neutral axis X-axis as neutral axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the Initial tension Initial tension or external load, whichever is greater Sum of the initial tension and external load applied External load applied Initial tension Initial tension or external load, whichever is greater Sum of the initial tension and external load applied External load applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Buttress threads Knuckle threads Acme threads Square threads Buttress threads Knuckle threads Acme threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a full journal bearing, the angle of contact of the bearing with the journal is 270° 120° 360° 180° 270° 120° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.0 3.5 2.8 2.5 3.0 3.5 2.8 2.5 ANSWER DOWNLOAD EXAMIANS APP
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