Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? True either 1 or 2 False None of these True either 1 or 2 False None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of aluminium. steel. cast iron. cobalt. aluminium. steel. cast iron. cobalt. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Impeller. Francis. Pelton. Kaplan. Impeller. Francis. Pelton. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 83.76 kV 48.36 kV 20 kV 52.84 kV 83.76 kV 48.36 kV 20 kV 52.84 kV ANSWER DOWNLOAD EXAMIANS APP
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