Power Systems If the load is short circuited, then reflection coefficient of voltage is 1 -2 -1 0 1 -2 -1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? All of these pin insulator strain insulator string insulator All of these pin insulator strain insulator string insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? True either 1 or 2 False None of these True either 1 or 2 False None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lead 0.8 lag 0.6 lag 0.8 lead 0.6 lead 0.8 lag 0.6 lag 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 80 km 40 km 150 km any of the above 80 km 40 km 150 km any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1500 MW 750 MW 1250 MW 1000 MW 1500 MW 750 MW 1250 MW 1000 MW ANSWER DOWNLOAD EXAMIANS APP
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