Power Systems In thermal plant most of the energy is wasted in ESP condenser boiler turbines ESP condenser boiler turbines ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Resistance. Peterson coil. Reactance. Solid. Resistance. Peterson coil. Reactance. Solid. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials None of these. U235, U233 and Pu239. U238 and Th232. U235 and Th239. None of these. U235, U233 and Pu239. U238 and Th232. U235 and Th239. 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? LLG LG LL LLL LLG LG LL LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 3.75 pu 7.25 pu 2.5 pu 4.28 pu 3.75 pu 7.25 pu 2.5 pu 4.28 pu ANSWER DOWNLOAD EXAMIANS APP