Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. More than Equal to None of these Less than More than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) C × √(m × i) A × √(m × i) mi × √(A × C) AC × √(m × i) C × √(m × i) A × √(m × i) mi × √(A × C) AC × √(m × i) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be 1 m/sec less than 1 m/sec 2 m/sec 1.5 m/sec 1 m/sec less than 1 m/sec 2 m/sec 1.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is None of these More than 2800 Less than 2000 Between 2000 and 2800 None of these More than 2800 Less than 2000 Between 2000 and 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A nozzle placed at the end of a water pipe line discharges water at a Low pressure Low velocity High velocity High pressure Low pressure Low velocity High velocity High pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Lower than the surface of liquid The same as the surface of liquid Unpredictable Higher than the surface of liquid Lower than the surface of liquid The same as the surface of liquid Unpredictable Higher than the surface of liquid ANSWER DOWNLOAD EXAMIANS APP