Power Systems Length of the cable is doubled, its capacitance C will be doubled. one-half. one-fourth. unchanged. doubled. one-half. one-fourth. unchanged. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 800 MW 400 MW 200 MW 1600 MW 800 MW 400 MW 200 MW 1600 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is unity. zero. leading. lagging. unity. zero. leading. lagging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero always if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored always if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas coolled reactor use CO2. or helium as coolant and graphite the moderator. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. both B and C. use heavy water as coolant as well as moderator. use CO2. or helium as coolant and graphite the moderator. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. both B and C. use heavy water as coolant as well as moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true R/L = G/C. R/L = C/G. R = O, G = O. None of above. R/L = G/C. R/L = C/G. R = O, G = O. None of above. ANSWER DOWNLOAD EXAMIANS APP