Power Systems Resistance switching in normally employed in minimum oil breakers. all breakers. bulk oil breakers. air blast circuit breaker. minimum oil breakers. all breakers. bulk oil breakers. air blast circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by nether 1 nor 2 decreasing reactance value either 1 or 2 increasing voltage level nether 1 nor 2 decreasing reactance value either 1 or 2 increasing voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass of the fuel is the amount required to make the multiplication factor 0.5. less than 1. equal to factor. more than 1. 0.5. less than 1. equal to factor. more than 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all external faults both 1 and 2 protection of a transformer against all internal faults nether 1 nor 2 protection of a transformer against all external faults both 1 and 2 protection of a transformer against all internal faults nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 15% 11.8% 88.2% 85% 15% 11.8% 88.2% 85% ANSWER DOWNLOAD EXAMIANS APP
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