Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 8 MJ 50 MJ 200 MJ 400 MJ 8 MJ 50 MJ 200 MJ 400 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the heat ex-changer and the turbine in nuclear power plant. none of above. the turbine and discharge drain. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. none of above. the turbine and discharge drain. the dam and the turbine in a hydro station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 35 kA. 45 kA. 55 kA. 50 kA. 35 kA. 45 kA. 55 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 3rd harmonic current. 7th harmonic current. 5th harmonic current. 2nd harmonic current. 3rd harmonic current. 7th harmonic current. 5th harmonic current. 2nd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Thermal power plant. Hydro electric power plant. Gas turbine plant. Nuclear power plant. Thermal power plant. Hydro electric power plant. Gas turbine plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. both operating and initial cost are low. both operating and initial cost are high. operating cost is high and initial cost is low. operating cost is low and initial cost is high. both operating and initial cost are low. both operating and initial cost are high. operating cost is high and initial cost is low. ANSWER DOWNLOAD EXAMIANS APP
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