Power Systems The insulation of the modern EHV lines is designed based on corona. R × I. the switch voltage. the lighting voltage. corona. R × I. the switch voltage. the lighting voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 10 4, 0.4 100, 0.4 100, 10 4, 10 4, 0.4 100, 0.4 100, 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a low head turbine. none of above. medium head turbine. high head turbine. low head turbine. none of above. medium head turbine. high head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of star connected with grounding network any of the above star connected network delta connected network star connected with grounding network any of the above star connected network delta connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear fission means graphite. combination of two light nuclei. breaking up of nuclear of heavy atoms into nearly equal parts. moderator. graphite. combination of two light nuclei. breaking up of nuclear of heavy atoms into nearly equal parts. moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 2.9 kHz 290 kHz 29 MHz 29 kHz 2.9 kHz 290 kHz 29 MHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
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