Power Systems For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to V2. 1 / V. V. 1 / V2. V2. 1 / V. V. 1 / V2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in ground star / delta. delta / delta. star / grounded star. delta / star. ground star / delta. delta / delta. star / grounded star. delta / star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? Initial cost of synchronous phase modifier is higher It consumes both active and reactive power All of these It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher It consumes both active and reactive power All of these It requires more maintenance because of running equipment ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of communication lines same in both cases power lines None of these communication lines same in both cases power lines None of these 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
EXAMIANS