Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.76 A. 1 A. 14.7 mA. 1.476 A. 14.76 A. 1 A. 14.7 mA. 1.476 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of long transmission lines only All of these short transmission lines only medium transmission lines only long transmission lines only All of these short transmission lines only medium transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 31.28 kV 30.28 kV 29.28 kV 28.28 kV 31.28 kV 30.28 kV 29.28 kV 28.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Binary vapor cycle are used for improving the plant efficiency. All of these improving the condenser performance. increasing the turbine efficiency. improving the plant efficiency. All of these improving the condenser performance. increasing the turbine efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of CB is in terms of volt - ampere. VAR. current. voltage. volt - ampere. VAR. current. voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? coal based thermal power plant gas based thermal power plant nuclear plant pumped storage hydro power plant coal based thermal power plant gas based thermal power plant nuclear plant pumped storage hydro power plant ANSWER DOWNLOAD EXAMIANS APP
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