Hydraulics and Fluid Mechanics in ME The value of bulk modulus of a fluid is required to determine Euler's number Froude's number Reynold's number Mach number Euler's number Froude's number Reynold's number Mach number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Velocity of approach Lower critical velocity Higher critical velocity None of these Velocity of approach Lower critical velocity Higher critical velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit speed of the turbine runner is N/H² N/√H N/H3/2 N/H N/H² N/√H N/H3/2 N/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To increase the head of water by an amount equal to the height of the runner outlet above the tail race To transport water to downstream To run the turbine full To prevent air to enter the turbine To increase the head of water by an amount equal to the height of the runner outlet above the tail race To transport water to downstream To run the turbine full To prevent air to enter the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) 2g × √H H × √(2g) 2gH √(2gh) 2g × √H H × √(2g) 2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + cos φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
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