Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 8 A. 6 A. 10 A. 7 A. 8 A. 6 A. 10 A. 7 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? salient pole rotor squirrel cage rotor cylindrical rotor either of these salient pole rotor squirrel cage rotor cylindrical rotor either of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? True None of these False either 1 or 2 True None of these False either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station? 30 MW 72 MW 720 MW 50 MW 30 MW 72 MW 720 MW 50 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.0. 1.35. 0.99. 0.75. 1.0. 1.35. 0.99. 0.75. ANSWER DOWNLOAD EXAMIANS APP