Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 0 Ω 400 Ω 800 Ω 200 Ω 0 Ω 400 Ω 800 Ω 200 Ω 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 = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? Three phase induction motor Three phase synchronous motor DC series motor DC shunt motor Three phase induction motor Three phase synchronous motor DC series motor DC shunt motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 11 kV 33 kV 230 V 440 V 11 kV 33 kV 230 V 440 V ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peak load power plants is/are diesel plant pumped storage plant nuclear plants both 1 and 2 diesel plant pumped storage plant nuclear plants both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 50. 25. 10. 15. 50. 25. 10. 15. ANSWER DOWNLOAD EXAMIANS APP