Machine Design In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be 0.96 0.99 0.98 0.97 0.96 0.99 0.98 0.97 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) T₁/T₂ = μθ T₁/T₂ =eμθ log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ = μθ T₁/T₂ =eμθ log (T₁/T₂) = μθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal stress is __________ of the circumferential stress. One-half Double Two-third Three-fourth One-half Double Two-third Three-fourth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increase the wrap angle Decreases the power transmitted Increases the belt tension without increasing power transmission Increases the power transmitted Increase the wrap angle Decreases the power transmitted Increases the belt tension without increasing power transmission Increases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a full journal bearing, the angle of contact of the bearing with the journal is 360° 180° 120° 270° 360° 180° 120° 270° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Applications in which stresses are encountered in one direction only uses following type of threads Square Acme Buttress Metric Square Acme Buttress Metric ANSWER DOWNLOAD EXAMIANS APP