Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.018 per Km. 0.09 + j 0.018 per Km. None of them. 0.01 + j 0.02 per Km. 0.018 per Km. 0.09 + j 0.018 per Km. None of them. 0.01 + j 0.02 per Km. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? Three phase induction motor Three phase synchronous motor DC series motor DC shunt motor Three phase induction motor Three phase synchronous motor DC series motor DC shunt motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of medium transmission lines only short transmission lines only long transmission lines only All of these medium transmission lines only short transmission lines only long transmission lines only All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.45 pu 0.05 pu 0.25 pu 0.15 pu 0.45 pu 0.05 pu 0.25 pu 0.15 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating time of pumped storage plant is high low very high can't say high low very high can't say ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS