Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Remain unaffected Decreases Unpredictable Increases Remain unaffected Decreases Unpredictable Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube varies parabolically with maximum at the centre varies linearly from zero at walls to maximum at centre is constant over the cross-section None of these varies parabolically with maximum at the centre varies linearly from zero at walls to maximum at centre is constant over the cross-section None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted Slightly below the tail race About 2.5 m above the tail race to avoid cavitations At the level of tail race Little above the tail race Slightly below the tail race About 2.5 m above the tail race to avoid cavitations At the level of tail race Little above the tail race ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In one dimensional flow, the flow Takes place in one direction Is steady and uniform Takes place in straight line Takes place in curve Takes place in one direction Is steady and uniform Takes place in straight line Takes place in curve ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The losses are more in laminar flow transition flow turbulent flow critical flow laminar flow transition flow turbulent flow critical flow ANSWER DOWNLOAD EXAMIANS APP