Hydraulics and Fluid Mechanics in ME Unit of surface tension is Energy/unit area Velocity/unit area It has no units Both of the above Energy/unit area Velocity/unit area It has no units Both of the above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the turbines? Centrifugal pump Jet pump Reciprocating pump Air lift pump Centrifugal pump Jet pump Reciprocating pump Air lift pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Runaway speed of a hydraulic turbine is The speed corresponding to maximum overload permissible The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open The speed at which turbine runner will be damaged Full load speed The speed corresponding to maximum overload permissible The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open The speed at which turbine runner will be damaged Full load speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.4 to 0.5 0.6 to 0.9 0.15 to 0.3 1 to 1.5 0.4 to 0.5 0.6 to 0.9 0.15 to 0.3 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mercury does not wet glass. This is due to property of liquid known as cohesion adhesion surface tension viscosity cohesion adhesion surface tension viscosity 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 × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
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