Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.5 pu 0.2 pu 0.1 pu 0.4 pu 0.5 pu 0.2 pu 0.1 pu 0.4 pu 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 800 MW 200 MW 400 MW 1600 MW 800 MW 200 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.76 Hz -0.85 Hz 0.76 Hz 0.85 Hz -0.76 Hz -0.85 Hz 0.76 Hz 0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Apart from the skin effect the non uniformity of the current distribution is also caused by All of these proximity effect ferranti effect bundled conductors All of these proximity effect ferranti effect bundled conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in bulk oil breakers. all breakers. air blast circuit breaker. minimum oil breakers. bulk oil breakers. all breakers. air blast circuit breaker. minimum oil breakers. ANSWER DOWNLOAD EXAMIANS APP
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