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)? 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will both 2 and 3 reduce the thermal efficiency reduce the heat increase the thermal efficiency both 2 and 3 reduce the thermal efficiency reduce the heat increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a nuclear reaction is operating at constant power the multiplication factor is less than 1. greater than 1. may be any of the above. 1. less than 1. greater than 1. may be any of the above. 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is a reaction turbines None of these. Francis turbine and Kaplan turbine. Kaplan and Pelton turbine. Pelton turbine and Francis turbine. None of these. Francis turbine and Kaplan turbine. Kaplan and Pelton turbine. Pelton turbine and Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of entropy between inlet and outlet. change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change of entropy between inlet and outlet. change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix? 162 × 162 163 × 163 164 × 164 165 × 165 162 × 162 163 × 163 164 × 164 165 × 165 ANSWER DOWNLOAD EXAMIANS APP
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