Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located Near the surge tank. In between the penstock and runner. At the beginning of the penstock. In between the runner exhaust and the tail race. Near the surge tank. In between the penstock and runner. At the beginning of the penstock. In between the runner exhaust and the tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers decrease system stability. increased the short circuit current. reduces the short circuit current. improves system stability. decrease system stability. increased the short circuit current. reduces the short circuit current. improves system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 1 1.13 0.93 0.882 1 1.13 0.93 0.882 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence negative sequence any of the above zero sequence positive sequence negative sequence any of the above zero sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 555×555 540×540 553×553 554×554 555×555 540×540 553×553 554×554 ANSWER DOWNLOAD EXAMIANS APP
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