Power Systems Which power plant cannot have single unit of 100 MW capacity Diesel engine plant. Hydro electric power plant. Steam power plant. Nuclear power plant. Diesel engine plant. Hydro electric power plant. Steam power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. 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 0.76 Hz -0.85 Hz 0.85 Hz -0.76 Hz 0.76 Hz -0.85 Hz 0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. all of above. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. all of above. the difference of water level between the level in storage and tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
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 20 sec. none of these. 10 sec. 5 sec. 20 sec. none of these. 10 sec. 5 sec. ANSWER DOWNLOAD EXAMIANS APP
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