Power Systems Corona loss is ----------------- on hilly areas than as plain areas. less remain same more None of these less remain same more None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero always if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent always if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers improves system stability. decrease system stability. reduces the short circuit current. increased the short circuit current. improves system stability. decrease system stability. reduces the short circuit current. increased the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? silver copper any of the above silicon oxide silver copper any of the above silicon oxide ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Dynamic breaking Fast acting governing system Fast acting excitation control All of these Dynamic breaking Fast acting governing system Fast acting excitation control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 0.75 0.5 1 0.6 0.75 0.5 1 0.6 ANSWER DOWNLOAD EXAMIANS APP