Power Systems A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will decreases increases None of these remains unaffected decreases increases None of these remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 30 - 45 %. 20 - 30 %. 60 - 80 %. 45 - 80 %. 30 - 45 %. 20 - 30 %. 60 - 80 %. 45 - 80 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 16 MΩ 4 MΩ 8 MΩ 32 MΩ 16 MΩ 4 MΩ 8 MΩ 32 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 2.4 pu 0.2 pu 3.975 pu 1.375 pu 2.4 pu 0.2 pu 3.975 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when frequency decrease All of these diameter decrease resistivity decrease frequency decrease All of these diameter decrease resistivity decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. ANSWER DOWNLOAD EXAMIANS APP
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