Power Systems Reactance relays are used for the protection of All of these long transmission lines only medium transmission lines only short transmission lines only All of these long transmission lines only medium transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 1600 MW 200 MW 400 MW 800 MW 1600 MW 200 MW 400 MW 800 MW 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 9 MW 10 MW 5 MW 18 MW 9 MW 10 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant Use of high pressure. Use of steam for heating of boiler feed water. Reheat of steam an intermediate stages. All of these Use of high pressure. Use of steam for heating of boiler feed water. Reheat of steam an intermediate stages. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (0.5 + j1 ) pu (4 + j8 ) pu (2 + j4 ) pu (1 + j2 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (2 + j4 ) pu (1 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in All of these reduction of KVA rating of distribution transformers reduction in distribution power loss improved voltage regulation All of these reduction of KVA rating of distribution transformers reduction in distribution power loss improved voltage regulation ANSWER DOWNLOAD EXAMIANS APP
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