Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 42° 36° 90° 45° 42° 36° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is steam power. nuclear. hydroelectric. diesel power. steam power. nuclear. hydroelectric. diesel power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is glass porcelain mica PVC glass porcelain mica PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 100 kV 18.18 kV 30.6 Kv 36. 36 kV 100 kV 18.18 kV 30.6 Kv 36. 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? 18.18 kV -18.18 kV 81.82 kV -81.82 kV 18.18 kV -18.18 kV 81.82 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
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