Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 76% 80% 82% 78% 76% 80% 82% 78% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Power transformer. Potential transformer. Current transformer. Instrument transformer. Power transformer. Potential transformer. Current transformer. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction None of these electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 5 8 2 4 5 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? None of these Francis Pelton Kaplan None of these Francis Pelton Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are All of these most economical as a peak load supply plant operating time is minimum used as load frequency control All of these most economical as a peak load supply plant operating time is minimum used as load frequency control ANSWER DOWNLOAD EXAMIANS APP
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