Machine Design A flange coupling is used to connect two shafts Which are perfectly aligned Have lateral misalignment Whose axes intersect at a small angle Which are not in exact alignment Which are perfectly aligned Have lateral misalignment Whose axes intersect at a small angle Which are not in exact alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is an anti-friction bearing? Pedestal bearing Needle bearing Journal bearing Collar bearing Pedestal bearing Needle bearing Journal bearing Collar bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following is a positive drive? V-belt drive Crossed flat belt drive Chain drive Rope drive V-belt drive Crossed flat belt drive Chain drive Rope drive 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 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 2 d 2.5 d d 1.5 d 2 d 2.5 d d 1.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ T₁/T₂ = μθ ANSWER DOWNLOAD EXAMIANS APP
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