Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 10 MJ 500 MJ 50 MJ 5 MJ 10 MJ 500 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High relative permittivity Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is used in thermal plants All of these Otto cycle Rankine cycle Joule cycle All of these Otto cycle Rankine cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Power Systems Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 120 MW, P2 = 80 MW P1 = 60 MW, P2 = 140 MW P1 = 100 MW, P2 = 100 MW P1 = 80 MW, P2 = 120 MW P1 = 120 MW, P2 = 80 MW P1 = 60 MW, P2 = 140 MW P1 = 100 MW, P2 = 100 MW P1 = 80 MW, P2 = 120 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by Z bus method Y bus method either 1 or 2 None of these Z bus method Y bus method either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? None of these medium transmission lines only long transmission lines only short transmission lines only None of these medium transmission lines only long transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP