Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 78% 82% 76% 80% 78% 82% 76% 80% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 12 kV. Up to 33 kV. Up to 11 kV. Up to 66 kV. Up to 12 kV. Up to 33 kV. Up to 11 kV. Up to 66 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the methods of laying underground cables? Direct laying. Draw - in - system / duct - pipe laying. Both A and B. None of these. Direct laying. Draw - in - system / duct - pipe laying. Both A and B. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plant work? Bell-Coleman cycle Otto cycle Rankine cycle Carnot cycle Bell-Coleman cycle Otto cycle Rankine cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to absorb the excess. to slow down the neutrons. All of these to increase the energy of the neutrons. to absorb the excess. to slow down the neutrons. All of these to increase the energy of the neutrons. 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? 15% 11.8% 88.2% 85% 15% 11.8% 88.2% 85% ANSWER DOWNLOAD EXAMIANS APP
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