Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference lighting voltage switching over voltage skin effect radio interference lighting voltage switching over voltage skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? unequal ice loading increase power factor increase string efficiency All of these unequal ice loading increase power factor increase string efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively decrease and increase. increase and remain unaffected. decrease and remain unaffected. increase and decrease. decrease and increase. increase and remain unaffected. decrease and remain unaffected. increase and decrease. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be 710 MW. 730 MW. 740 MW. 720 MW. 710 MW. 730 MW. 740 MW. 720 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR None of these remains unaffected increases decreases None of these remains unaffected increases decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 0.2 pu 3.975 pu 1.375 pu 2.4 pu 0.2 pu 3.975 pu 1.375 pu 2.4 pu ANSWER DOWNLOAD EXAMIANS APP
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