Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Power transmission does not depend upon open and crossed types of constructions Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Crossed belt drive transmits more power than open belt drive Power transmission does not depend upon open and crossed types of constructions Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Crossed belt drive transmits more power than open belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? Tangent key Gib-head key Feather key Woodruff key Tangent key Gib-head key Feather key Woodruff key ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.57 d 0.8 d 1.2 d 1.8 d 1.57 d 0.8 d 1.2 d 1.8 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design In standard taper roller bearings, the angle of taper of outer raceway is 5° 15° 25° 8° 5° 15° 25° 8° 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 = log μθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a material fails below its yield point, failure would be due to Sudden loading Creep Straining Fatigue Sudden loading Creep Straining Fatigue ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS