Machine Design Applications in which stresses are encountered in one direction only uses following type of threads Metric Acme Buttress Square Metric Acme Buttress Square 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 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is positive drive? Crossed belt drive Timing belt V belt drive Flat belt drive Crossed belt drive Timing belt V belt drive Flat belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited Acme thread Square thread ISO metric thread Buttress thread Acme thread Square thread ISO metric thread Buttress thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to 8W/9 W/9 W/2 2W/3 8W/9 W/9 W/2 2W/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to bending ANSWER DOWNLOAD EXAMIANS APP
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