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%. Find the surge impedance loading with compensation? 456 MW 386 MW 400 MW 478 MW 456 MW 386 MW 400 MW 478 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as corona effect skin effect unsymmetrical fault All of these corona effect skin effect unsymmetrical fault All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 18 MW 10 MW 9 MW 5 MW 18 MW 10 MW 9 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Oil CB. SF6 CB. Air blast CB. Vacuum CB. Oil CB. SF6 CB. Air blast CB. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is used in thermal plants Rankine cycle Joule cycle Otto cycle All of these Rankine cycle Joule cycle Otto cycle All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 5 sec. none of these. 20 sec. 10 sec. 5 sec. none of these. 20 sec. 10 sec. ANSWER DOWNLOAD EXAMIANS APP
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