Power Systems In which of the following transmission lines capacitance effect is negligible? long transmission lines shoart transmission lines medium transmission lines both 1 and 3 long transmission lines shoart transmission lines medium transmission lines both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of medium transmission lines only long transmission lines only any line short transmission lines only medium transmission lines only long transmission lines only any line short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 400 Ω 840 Ω 420 Ω 210 Ω 400 Ω 840 Ω 420 Ω 210 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are suspension type pin type insulator strain type any of the above suspension type pin type insulator strain type any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air blast CB. Plain oil CB. Air break CB. Minimum oil CB. Air blast CB. Plain oil CB. Air break CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
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 cosωt? 1.47 msec 2.63 msec 4.68 msec 9.68 1.47 msec 2.63 msec 4.68 msec 9.68 ANSWER DOWNLOAD EXAMIANS APP
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