GETCO Exam Paper (30-11-2008) The power transmitted will be maximum when receiving end voltage is more sending end voltage is more reactance is high corona losses are least receiving end voltage is more sending end voltage is more reactance is high corona losses are least ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arc chutes are used in _____ C.B.s vacuum minimum oil oil air blast vacuum minimum oil oil air blast ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Power system A is operating in parallel with other systems and has a frequency bias of 50 MW/0.1 Hz. For a loss of generation in one of the interconnected systems resulting in a frequency drop of 0.02 Hz, system A should provide 10 MW of support not be affected provide 30 MW support provide 20 MW of support provide 10 MW of support not be affected provide 30 MW support provide 20 MW of support ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is to provide protection against over currents to suppress harmonics to control the level of oil in the tank to arrest flow of moisture into the tank to provide protection against over currents to suppress harmonics to control the level of oil in the tank to arrest flow of moisture into the tank ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Function of breather is to extract moisture from air going into the conservator.it is small container filled with silica gel.silica gel in breather will be blue colour when installedsilica gel turn into pink colour when absorb moisture.
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to tie line load changes only frequency changes only tie line voltage changes only both frequency and tie line load changes tie line load changes only frequency changes only tie line voltage changes only both frequency and tie line load changes ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transfer of power between two power systems takes place with power flowing from the system with the Higher voltage level Lagging power angle Higher input current Greater leading power angle Higher voltage level Lagging power angle Higher input current Greater leading power angle ANSWER DOWNLOAD EXAMIANS APP
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