Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 0.75 1 0.5 0.25 0.75 1 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? All of these liquid sodium graphite beryllium All of these liquid sodium graphite beryllium ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Instrument transformer. Potential transformer. Current transformer. Power transformer. Instrument transformer. Potential transformer. Current transformer. Power transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are hydro. thermal. gas turbine. both A and B. hydro. thermal. gas turbine. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.4 2000 5 0.22 0.4 2000 5 0.22 ANSWER DOWNLOAD EXAMIANS APP
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