GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 11 kV (rms value)/cm 30 kV (maximum value)/cm 6.6 kV (rms value)/cm 22 kV (maximum value)/cm 11 kV (rms value)/cm 30 kV (maximum value)/cm 6.6 kV (rms value)/cm 22 kV (maximum value)/cm ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which of the following connection of transformer will give the highest secondary voltage? Delta primary, star secondary star primary, star secondary Delta primary, delta secondary star primary, delta secondary Delta primary, star secondary star primary, star secondary Delta primary, delta secondary star primary, delta secondary ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Burden of the relay is _____ rating of relay watt voltage volt-amp. current watt voltage volt-amp. current ANSWER DOWNLOAD EXAMIANS APP
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) Entrance to the Indian Civil Service was made possible for the Indians by Lord Dalhousie Lord Lytton Lord Canning Lord Ripon Lord Dalhousie Lord Lytton Lord Canning Lord Ripon 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 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 provide 10 MW of support ANSWER DOWNLOAD EXAMIANS APP