Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 1 pu 0.2 pu 0.25 pu 5 pu 1 pu 0.2 pu 0.25 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by Steam accumulator. Diesel engine. Hydraulic turbine. None of above. Steam accumulator. Diesel engine. Hydraulic turbine. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 2 pu 1 and 3 pu 2 and 5 pu 3 and 1 pu 2 and 2 pu 1 and 3 pu 2 and 5 pu 3 and 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 45-55% 20-25% 60-70% 30-40% 45-55% 20-25% 60-70% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Steam power plant. Hydro electric power plant. Diesel engine plant. Nuclear power plant. Steam power plant. Hydro electric power plant. Diesel engine plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator None of these. Hydrogen cooling. Oxygen cooling. Nitrogen cooling. None of these. Hydrogen cooling. Oxygen cooling. Nitrogen cooling. ANSWER DOWNLOAD EXAMIANS APP
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