Power Systems A power station plant load factor is defined as the ratio of minimum load to average load average load to the peak load minimum load to peak load the energy generated to that of maximum energy that could have been generated minimum load to average load average load to the peak load minimum load to peak load the energy generated to that of maximum energy that could have been generated ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 8 MΩ 16 MΩ 4 MΩ 32 MΩ 8 MΩ 16 MΩ 4 MΩ 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% 85% 88.2% 11.8% 15% 85% 88.2% 11.8% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Calorific value of solid fuel is expressed as Cal / lt. KCal / gm. KCal / lt. Cal / gm. Cal / lt. KCal / gm. KCal / lt. Cal / gm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of no length criterion. short length lines. long transmission lines. medium length lines. no length criterion. short length lines. long transmission lines. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity ANSWER DOWNLOAD EXAMIANS APP
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