Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 82% 76% 80% 78% 82% 76% 80% 78% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will increases any of the above decreases remains unaffected increases any of the above decreases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of medium transmission lines only short transmission lines only long transmission lines only All of these medium transmission lines only short transmission lines only long transmission lines only All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a None of above. Peak load station. Minimum load station. Base load station. None of above. Peak load station. Minimum load station. Base load station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b*100/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Admittance relays any of the above Mho relays Impedance relays Admittance relays any of the above Mho relays Impedance relays ANSWER DOWNLOAD EXAMIANS APP
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