Power Systems In relay coil which is used? Power transformer. Current transformer. Potential transformer. Instrument transformer. Power transformer. Current transformer. Potential transformer. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 440 V 230 V 11 kV 33 kV 440 V 230 V 11 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? All of these Failure of excitation Over voltage Failure of prime mover of the generator All of these Failure of excitation Over voltage Failure of prime mover of the generator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false In a nuclear reactor, multiplication factor is kept almost equal to one. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. Nuclear power plants are used as peak load plants only. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 3rd harmonic current. 2nd harmonic current. 7th harmonic current. 5th harmonic current. 3rd harmonic current. 2nd harmonic current. 7th harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates All of these the maximum and minimum run off during the period. the average run off during the period. the discharge at any time during the period under consideration. All of these the maximum and minimum run off during the period. the average run off during the period. the discharge at any time during the period under consideration. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS