Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 6 12 5 3 6 12 5 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be 740 MW. 730 MW. 710 MW. 720 MW. 740 MW. 730 MW. 710 MW. 720 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? over current relays Differential relays both 1 and 2 Buccholz relays over current relays Differential relays both 1 and 2 Buccholz relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as corona effect skin effect All of these unsymmetrical fault corona effect skin effect All of these unsymmetrical fault ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²-3x+1 N = 3x²-2x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-3x+1 N = 3x²-2x+1 N = 3x²+3x+1 N = 3x²-6x+1 ANSWER DOWNLOAD EXAMIANS APP