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 - 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
Machine Design If threads on a bolt are left hand, threads on nut will be Could be left or right hand Left hand with same pitch Right hand with same pitch Right hand with fine pitch Could be left or right hand Left hand with same pitch Right hand with same pitch Right hand with fine pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Machine Design The face angle of a bevel gear is equal to Pitch angle + addendum angle Pitch angle - addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle + addendum angle Pitch angle - addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Same Higher None of these Lower Same Higher None of these Lower ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cyclic loading, stress concentration is more serious in Ductile materials Elastic materials Brittle materials Brittle as well as ductile materials Ductile materials Elastic materials Brittle materials Brittle as well as ductile materials ANSWER DOWNLOAD EXAMIANS APP
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