Power Systems Which of the following effects are associated with transmission line All of these ferranti effect corona effect skin effect All of these ferranti effect corona effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of over head lines power cables None of these same in both cases over head lines power cables None of these same in both cases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near turbine. tail race. dam. reservoir. turbine. tail race. dam. reservoir. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Oil CB. Any of these. Air blast CB. Vacuum CB. Oil CB. Any of these. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line parameters of the short transmission line are Z,0,Y,1 1,0,Y,1 1,Z,Y,1 1,Z,0,1 Z,0,Y,1 1,0,Y,1 1,Z,Y,1 1,Z,0,1 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? 3.975 pu 1.375 pu 0.2 pu 2.4 pu 3.975 pu 1.375 pu 0.2 pu 2.4 pu ANSWER DOWNLOAD EXAMIANS APP
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