Machine Design Rankine Gordon formula for buckling is valid for Short and long column Short column Very long column Long column Short and long column Short column Very long column Long column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 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 - mv²)/ (P2 - mv²) = e–ᶠα (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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 300 to 320 340 to 360 420 to 450 More than 400 300 to 320 340 to 360 420 to 450 More than 400 ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Increases markedly Depends on heat treatment carried out Decreases markedly Remain same Increases markedly Depends on heat treatment carried out Decreases markedly Remain same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch of threads on a Jock nut in comparison to pitch of nut is Same Very fine Finer Coarser Same Very fine Finer Coarser ANSWER DOWNLOAD EXAMIANS APP
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