Power Systems The most commonly used material for insulators of overhead lines is porcelain glass mica PVC porcelain glass mica PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 30° and 26° 45° and 26° 30° and 45° 26° and 30° 30° and 26° 45° and 26° 30° and 45° 26° and 30° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, power loss increases All of these interference increases charging current increases power loss increases All of these interference increases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 10. 5. un changed. 1. 10. 5. un changed. 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is zero. unity. lagging. leading. zero. unity. lagging. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pump storage schemes are used to improve the diversity factor. the plant capacity factor as well as the load factor of the power system. the power factor. the load factor. the diversity factor. the plant capacity factor as well as the load factor of the power system. the power factor. the load factor. ANSWER DOWNLOAD EXAMIANS APP
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