Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cv × Cr Cc × Cv Cc × Cr Cc/Cr Cv × Cr Cc × Cv Cc × Cr Cc/Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to Potential head - (pressure head + kinetic head) Kinetic head - (pressure head + potential head) Pressure head + kinetic head + potential head Pressure head - (kinetic head + potential head) Potential head - (pressure head + kinetic head) Kinetic head - (pressure head + potential head) Pressure head + kinetic head + potential head Pressure head - (kinetic head + potential head) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power developed by a turbine is (where H = Head of water under which the turbine is working) Directly proportional to H3/2 Inversely proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. Difference Arithmetic mean Geometric mean Sum Difference Arithmetic mean Geometric mean Sum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Higher critical velocity Super-sonic velocity Sub-sonic velocity Lower critical velocity Higher critical velocity Super-sonic velocity Sub-sonic velocity Lower critical velocity 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 constant a function of Reynolds number and relative roughness dependent on relative roughness only dependent only on Reynolds number constant a function of Reynolds number and relative roughness dependent on relative roughness only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS