Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are six one two three six one two three ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 52 MW. 53 MW. 51.61 MW. 57.5 MW. 52 MW. 53 MW. 51.61 MW. 57.5 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 2 F 4 F 0.5 F 1 F 2 F 4 F 0.5 F 1 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants will take long period in erection and installation Thermal. Gas turbine. Nuclear. Hydro Power Plant Thermal. Gas turbine. Nuclear. Hydro Power Plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by increasing the distance between the conductor All of these decreasing the supply frequency increasing the radius of the conductor increasing the distance between the conductor All of these decreasing the supply frequency increasing the radius of the conductor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the value of a729, where "a" is the operator α² 1 α 0 α² 1 α 0 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS