Power Systems The insulator thickness on the conductor, in cables depends upon voltage current reactive power power factor voltage current reactive power power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 5 8 2 6 5 8 2 6 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 0.25. 0.44. 1.3. 0.83. 0.25. 0.44. 1.3. 0.83. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 50 Hz -0.52 Hz 0.52 Hz 0.48 Hz 50 Hz -0.52 Hz 0.52 Hz 0.48 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The factor affecting run off are amount of vegetation and weather condition in the catchment area. the topography and nature of soil in the catchment area. rain fall pattern, shape and size of catchment area. all of above. amount of vegetation and weather condition in the catchment area. the topography and nature of soil in the catchment area. rain fall pattern, shape and size of catchment area. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Asynchronous tie line is a DC transmission line AC transmission line None of these either 1 or 2 DC transmission line AC transmission line None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
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