Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 - sin φ)/2 (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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the turbines? Centrifugal pump Reciprocating pump Air lift pump Jet pump Centrifugal pump Reciprocating pump Air lift pump Jet pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Decreases None of these Increases Remain same Decreases None of these Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be 2 metres of water column 4 m of water column 3.5 metres of water column 3 metres of water column 2 metres of water column 4 m of water column 3.5 metres of water column 3 metres of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure measured with the help of a pressure gauge is called Mean pressure Absolute pressure Gauge pressure Atmospheric pressure Mean pressure Absolute pressure Gauge pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Sub-sonic velocity Lower critical velocity Higher critical velocity Super-sonic velocity Sub-sonic velocity Lower critical velocity Higher critical velocity Super-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
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