Power Systems Gross head of an hydroelectric power station is the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the storage is provided. all of above. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the storage is provided. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? lighting voltage radio interference switching over voltage skin effect lighting voltage radio interference switching over voltage skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is lagging. zero. leading. unity. lagging. zero. leading. unity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. sodium as coolant and graphite as moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents maximum rate of run-off during the period. total quantity of run-off during that period. total of units of energy available. total power available. maximum rate of run-off during the period. total quantity of run-off during that period. total of units of energy available. total power available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H1.25. N√( P ) / H2/3. none of these. P√( N ) / H3/2. N√( P ) / H1.25. N√( P ) / H2/3. none of these. P√( N ) / H3/2. ANSWER DOWNLOAD EXAMIANS APP