Power Systems Advantages of higher transmission voltage is/are Transmission line losses are reduced All of these Area of cross section and volume of the conductor is reduced Power transfer capability of the transmission line is increased Transmission line losses are reduced All of these Area of cross section and volume of the conductor is reduced Power transfer capability of the transmission line is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 2.90 kW 9.81 kW 4.45 kW 19.60 kW 2.90 kW 9.81 kW 4.45 kW 19.60 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is -2 1 0 -1 -2 1 0 -1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is not base load power plant Nuclear. Pump storage. Diesel. Run water. Nuclear. Pump storage. Diesel. Run water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 100 : 5 / √3. 150 : 4 / √3. 200 : 5 / √3. 120 : 6 / √3. 100 : 5 / √3. 150 : 4 / √3. 200 : 5 / √3. 120 : 6 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over currents due to lightning stroke. direct strokes of lightning. over voltages due to indirect lightning stroke. power frequency of over voltages. over currents due to lightning stroke. direct strokes of lightning. over voltages due to indirect lightning stroke. power frequency of over voltages. ANSWER DOWNLOAD EXAMIANS APP
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