Power Systems Which of the following statements is/are true? Corona is reduced by decreasing the supply frequency increasing the radius of the conductor increasing the distance between the conductor All of these decreasing the supply frequency increasing the radius of the conductor increasing the distance between the conductor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix? 162 × 162 164 × 164 163 × 163 165 × 165 162 × 162 164 × 164 163 × 163 165 × 165 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as All of these earth wire. structural components. stray wire. All of these earth wire. structural components. stray wire. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. Breaking speed. None of these. Both A and C. Critical length of breaking. Breaking speed. None of these. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Area of cross section and volume of the conductor is reduced Transmission line losses are reduced All of these Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced Transmission line losses are reduced All of these Power transfer capability of the transmission line is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? None of these either 1 or 2 Both power and telecommunication lines Power line None of these either 1 or 2 Both power and telecommunication lines Power line ANSWER DOWNLOAD EXAMIANS APP
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