GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is to suppress harmonics to arrest flow of moisture into the tank to provide protection against over currents to control the level of oil in the tank to suppress harmonics to arrest flow of moisture into the tank to provide protection against over currents to control the level of oil in 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) When transformers or switchgears are to be installed in a transmission line, the poles used are L type H type I type J type L type H type I type J type ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the fault occurs near the relay, the V/I ratio will be _____ that of if the fault occurs away from the relay. lower than none of these higher than equal to lower than none of these higher than equal to ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The Non-co-operation movement was launched by Mahatma Gandhi in 1905 1921 1926 1920 1905 1921 1926 1920 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 6.6 kV (rms value)/cm 11 kV (rms value)/cm 22 kV (maximum value)/cm 30 kV (maximum value)/cm 6.6 kV (rms value)/cm 11 kV (rms value)/cm 22 kV (maximum value)/cm 30 kV (maximum value)/cm 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 provide 30 MW support not be affected provide 20 MW of support provide 10 MW of support provide 30 MW support not be affected provide 20 MW of support ANSWER DOWNLOAD EXAMIANS APP