Power Systems On what factors does the selection of a water turbine depend Working head. Speed. All of above. Nature of load. Working head. Speed. All of above. Nature of load. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are one six two three one six two three ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are high. both operating and initial cost are low. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are high. both operating and initial cost are low. 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 = 3x²-6x+1 N = 3x²+3x+1 N = 3x²-3x+1 N = 3x²-2x+1 N = 3x²-6x+1 N = 3x²+3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 50 kV. 100 kV. 400 kV. 200 kV. 50 kV. 100 kV. 400 kV. 200 kV. ANSWER DOWNLOAD EXAMIANS APP
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