Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Super heater. Condenser. Steam turbine. Boiler. Super heater. Condenser. Steam turbine. Boiler. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 320 kv 500 kV 400 kV 600 kV 320 kv 500 kV 400 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? liquid sodium All of these beryllium graphite liquid sodium All of these beryllium graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j1 pu j6 pu j9 pu j3 pu j1 pu j6 pu j9 pu j3 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems With reference to hydrometer station, the graphical representation of the discharge as function of time is known as Hydro-graph. Monograph. Load duration curve. Hectograph. Hydro-graph. Monograph. Load duration curve. Hectograph. ANSWER DOWNLOAD EXAMIANS APP
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