Power Systems What type of back up protection is used for alternators? Buchholz relay. Mho relay. Impedance relay. IDMT relay. Buchholz relay. Mho relay. Impedance relay. IDMT relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of j300 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j300 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LLG LLL LL LG LLG LLL LL LG ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 200 kV. 50 kV. 100 kV. 400 kV. 200 kV. 50 kV. 100 kV. 400 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas coolled reactor use CO2. or helium as coolant and graphite the moderator. use heavy water as coolant as well as moderator. both B and C. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use CO2. or helium as coolant and graphite the moderator. use heavy water as coolant as well as moderator. both B and C. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 80 %. 60 %. 40 %. 30 %. 80 %. 60 %. 40 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP