Hydraulics and Fluid Mechanics in ME For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is constant dependent on relative roughness only a function of Reynolds number and relative roughness dependent only on Reynolds number constant dependent on relative roughness only a function of Reynolds number and relative roughness dependent only on Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when flow is increased pressure is increased pressure becomes more than critical pressure the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid flow is increased pressure is increased pressure becomes more than critical pressure the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of a turbine runner is Inversely proportional to H1/2 Directly proportional to H3/2 Directly proportional to H1/2 Inversely proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H3/2 Directly proportional to H1/2 Inversely proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 52 cm 50 cm 52.2 cm 51 cm 52 cm 50 cm 52.2 cm 51 cm 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 - sin φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Reduce acceleration head Reduce suction head Increase delivery head Smoothen the flow Reduce acceleration head Reduce suction head Increase delivery head Smoothen the flow ANSWER DOWNLOAD EXAMIANS APP
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