Power Systems The most commonly used material for insulators of overhead lines is mica PVC glass porcelain mica PVC glass porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 0 Ω 200 Ω 800 Ω 400 Ω 0 Ω 200 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulator thickness on the conductor, in cables depends upon reactive power power factor current voltage reactive power power factor current voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 0.098 pu 1 pu 1.098 pu 0.98 pu 0.098 pu 1 pu 1.098 pu 0.98 pu 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
Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 3750 kW 6000 kW 3000 kW 7500 kW 3750 kW 6000 kW 3000 kW 7500 kW ANSWER DOWNLOAD EXAMIANS APP
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