Power Systems Which of the following statements is/are true? Due to corona, power loss increases All of these interference increases charging current increases power loss increases All of these interference increases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 130.2 MWhr 140 MWhr 135.3 MWhr 120 MWhr 130.2 MWhr 140 MWhr 135.3 MWhr 120 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? smooth voltage regulation is possible by controlling excitation both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low smooth voltage regulation is possible by controlling excitation both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low ANSWER DOWNLOAD EXAMIANS APP
Power Systems One Kg of natural uranium gives energy equivalent to about 100 Kg of coal. 1000 Kg of coal. 5000 Kg of coal. 10500 Kg of coal. 100 Kg of coal. 1000 Kg of coal. 5000 Kg of coal. 10500 Kg of coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 400 kV 350 kV 500 kV 600 kV 400 kV 350 kV 500 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The conductivity of conductors. The load terminating the line. The permittivity of the dielectric separating the conductor. The operating frequency of the line. The conductivity of conductors. The load terminating the line. The permittivity of the dielectric separating the conductor. The operating frequency of the line. ANSWER DOWNLOAD EXAMIANS APP
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