Power Systems In hydroelectric power plants both operating and initial cost are high. operating cost is high and initial cost is low. operating cost is low and initial cost is high. both operating and initial cost are low. both operating and initial cost are high. operating cost is high and initial cost is low. operating cost is low and initial cost is high. both operating and initial cost are low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are It requires less maintanance single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation All of these It requires less maintanance single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? star-delta delta-delta delta-star star-star star-delta delta-delta delta-star star-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 5 sec. 10 sec. none of these. 20 sec. 5 sec. 10 sec. none of these. 20 sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line decrease None of these increase remains same decrease None of these increase remains same ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, both 1 and 2 neither 1 nor 2 tension decrease sag increase both 1 and 2 neither 1 nor 2 tension decrease sag increase ANSWER DOWNLOAD EXAMIANS APP
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