Power Systems An hydro-graph indicates the discharge at any time during the period under consideration. the maximum and minimum run off during the period. All of these the average run off during the period. the discharge at any time during the period under consideration. the maximum and minimum run off during the period. All of these the average run off during the period. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 85% 15% 88.2% 11.8% 85% 15% 88.2% 11.8% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? long transmission lines both 1 and 3 medium transmission lines shoart transmission lines long transmission lines both 1 and 3 medium transmission lines shoart transmission lines 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 = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-2x+1 N = 3x²-6x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-2x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of star connected with grounding network any of the above delta connected network star connected network star connected with grounding network any of the above delta connected network star connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 12 kV. Up to 11 kV. Up to 66 kV. Up to 33 kV. Up to 12 kV. Up to 11 kV. Up to 66 kV. Up to 33 kV. ANSWER DOWNLOAD EXAMIANS APP
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