Power Systems Which of following materials can be used as coolant Any of above. Heavy water. Helium. CO2. Any of above. Heavy water. Helium. CO2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.25 0.02 0.025 0.05 0.25 0.02 0.025 0.05 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. 23060 J. 25060 J. 20060 J. 20160 J. 23060 J. 25060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when both GMD and GMR increase GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR decrease both GMD and GMR increase GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 0.882 0.93 1.13 1 0.882 0.93 1.13 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from open circuits protection of equipment from short circuits protection of equipment from external lightning All of these protection of equipment from open circuits protection of equipment from short circuits protection of equipment from external lightning All of these ANSWER DOWNLOAD EXAMIANS APP
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