Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 10 sec. none of these. 20 sec. 5 sec. 10 sec. none of these. 20 sec. 5 sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA 6 MJ/MVA 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA 6 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 2000 Ω 1500 Ω 3000 Ω 750 Ω 2000 Ω 1500 Ω 3000 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
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 Demand factor of a plant is 0 greater than 1 1 less than 1 0 greater than 1 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 30-40% 20-25% 60-70% 45-55% 30-40% 20-25% 60-70% ANSWER DOWNLOAD EXAMIANS APP
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