Power Systems Lightning arresters are used for protection of equipment from short circuits All of these protection of equipment from open circuits protection of equipment from external lightning protection of equipment from short circuits All of these protection of equipment from open circuits protection of equipment from external lightning ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. None of these. Breaking speed. Both A and C. Critical length of breaking. None of these. Breaking speed. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20060 J. 20160 J. 25060 J. 23060 J. 20060 J. 20160 J. 25060 J. 23060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be 0.44. 0.83. 0.25. 1.3. 0.44. 0.83. 0.25. 1.3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Area under the daily curve divided by 24 gives units generated maximum load average load maximum demand units generated maximum load average load maximum demand ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. None of these reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. None of these reduce the effect of water hammer. ANSWER DOWNLOAD EXAMIANS APP
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