Power Systems The arc voltage produced in an AC circuit breaker is always in phase with the arc current. leading the arc current by 90°. in phase opposition with the arc current. lagging the arc current by 90°. in phase with the arc current. leading the arc current by 90°. in phase opposition with the arc current. lagging the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants will take long period in erection and installation Gas turbine. Thermal. Nuclear. Hydro Power Plant Gas turbine. Thermal. Nuclear. Hydro Power Plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 7500 kW 6000 kW 3750 kW 3000 kW 7500 kW 6000 kW 3750 kW 3000 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching vacuum. SF6. oil. air blast. vacuum. SF6. oil. air blast. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In kaplan runner, the number of blades is generally of the order of 16 - 24. 1 - 2. 12 - 16. 3 - 6. 16 - 24. 1 - 2. 12 - 16. 3 - 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? parallel frequency flat frequency control All of these flat tie line control parallel frequency flat frequency control All of these flat tie line control ANSWER DOWNLOAD EXAMIANS APP
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