Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted Little above the tail race At the level of tail race Slightly below the tail race About 2.5 m above the tail race to avoid cavitations Little above the tail race At the level of tail race Slightly below the tail race About 2.5 m above the tail race to avoid cavitations ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Super-sonic velocity Higher critical velocity Lower critical velocity Sub-sonic velocity Super-sonic velocity Higher critical velocity Lower critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Efficiency will be low Cavitation will be formed No flow will take place Excessive power will be consumed Efficiency will be low Cavitation will be formed No flow will take place Excessive power will be consumed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency. Overall Mechanical None of these Hydraulic Overall Mechanical None of these Hydraulic 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) Inversely proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H1/2 Directly proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is [wa (V - v)]/g [wa (V - v)]/2g [wa (V - v)²]/2g [wa (V - v²)]/g [wa (V - v)]/g [wa (V - v)]/2g [wa (V - v)²]/2g [wa (V - v²)]/g ANSWER DOWNLOAD EXAMIANS APP
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