Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 25 kN/m2 2.5 kN/m2 245 kN/m2 2500 kN/m2 25 kN/m2 2.5 kN/m2 245 kN/m2 2500 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is dependent only on Reynolds number a function of Reynolds number and relative roughness constant dependent on relative roughness only dependent only on Reynolds number a function of Reynolds number and relative roughness constant dependent on relative roughness only ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is between d and 1.5 d between 1.5 d and 2d greater than 2d less than d between d and 1.5 d between 1.5 d and 2d greater than 2d less than d ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the Pressure head - velocity head Pressure head Velocity head Pressure head + velocity head Pressure head - velocity head Pressure head Velocity head Pressure head + velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 1 to 1.5 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 ANSWER DOWNLOAD EXAMIANS APP
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