Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Oil CB. Air blast CB. Any of these. Vacuum CB. Oil CB. Air blast CB. Any of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 1.6 to 1.8 50 to 100 1 to 10 10.8 to 11.2 1.6 to 1.8 50 to 100 1 to 10 10.8 to 11.2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 5. 20. 10. 55.1. 5. 20. 10. 55.1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? gas based thermal power plant pumped storage hydro power plant coal based thermal power plant nuclear plant gas based thermal power plant pumped storage hydro power plant coal based thermal power plant nuclear plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Temperature Over load any of the above Short circuit Temperature Over load any of the above Short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1.13 1.25 1 0.89 1.13 1.25 1 0.89 ANSWER DOWNLOAD EXAMIANS APP
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