Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 500 MVA 100 MVA 125 MVA 400 MVA 500 MVA 100 MVA 125 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to the rate at which fission reaction occurs. none of above. square of the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. none of above. square of the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Transmission line losses are reduced Power transfer capability of the transmission line is increased All of these Area of cross section and volume of the conductor is reduced Transmission line losses are reduced Power transfer capability of the transmission line is increased All of these Area of cross section and volume of the conductor is reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the operating head is controlled. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. firm capacity of plant is increased. operating head is controlled. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. firm capacity of plant is increased. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Plain oil CB. Minimum oil CB. Air break CB. Air blast CB. Plain oil CB. Minimum oil CB. Air break CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Hydro electric power plant. Diesel engine plant. Steam power plant. Nuclear power plant. Hydro electric power plant. Diesel engine plant. Steam power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
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