Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 4.68 msec 1.47 msec 2.63 msec 9.68 msec 4.68 msec 1.47 msec 2.63 msec 9.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Pelton Francis Impeller Kaplan Pelton Francis Impeller Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following given faults, all the sequence currents are equal? LLG LLL LL LG LLG LLL LL LG ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (4 + j8 ) pu (1 + j2 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (4 + j8 ) pu (1 + j2 ) pu (0.5 + j1 ) pu (2 + j4 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 3600 A. 104.8 kA. 1200 A. 35 kA. 3600 A. 104.8 kA. 1200 A. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines None of above. Pelton and Kaplan turbines. Kaplan and Francis turbines. Francis and Kaplan turbines. None of above. Pelton and Kaplan turbines. Kaplan and Francis turbines. Francis and Kaplan turbines. ANSWER DOWNLOAD EXAMIANS APP