Power Systems Which of the following power stations is mainly used to cover peak load on the system? coal based thermal power plant gas based thermal power plant pumped storage hydro power plant nuclear plant coal based thermal power plant gas based thermal power plant pumped storage hydro power plant nuclear plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CT is connected in ___________________ with the line. across. not connected. both A and B. series. across. not connected. both A and B. series. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to reduce the vibrations at the point of support reduce the tension increase the sag All of these reduce the vibrations at the point of support reduce the tension increase the sag All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LL LG LLG LLL LL LG LLG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is two - thirds of maximum. one - third of minimum. one - third of maximum. zero. two - thirds of maximum. one - third of minimum. one - third of maximum. zero. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bonding is done at the both ends of the cable to reduce the iron loss sheath loss None of these copper loss iron loss sheath loss None of these copper loss ANSWER DOWNLOAD EXAMIANS APP