GETCO Exam Paper (30-11-2008) Bulk-oil CBs can be used for voltage upto 66 kV 11 kV 33 kV 1.1 kV 66 kV 11 kV 33 kV 1.1 kV 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 arrest flow of moisture into the tank to suppress harmonics to control the level of oil in the tank to provide protection against over currents to arrest flow of moisture into the tank to suppress harmonics 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) Minimum oil C.B. use oil for cooling lubrication insulation arc quenching cooling lubrication insulation arc quenching ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 30 kV (maximum value)/cm 22 kV (maximum value)/cm 6.6 kV (rms value)/cm 11 kV (rms value)/cm 30 kV (maximum value)/cm 22 kV (maximum value)/cm 6.6 kV (rms value)/cm 11 kV (rms value)/cm ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the +Ve, -Ve & zero sequence reactances of an elements of a power system are 0.3, 0.3 & 0.8 p.u. respectively, the element would be synchronous motor synchronous generator static load transmission line synchronous motor synchronous generator static load transmission line ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In an over current protection, the setting of earth fault relay is _____ the phase fault relay. not related in less than equal to more than not related in less than equal to more than ANSWER DOWNLOAD EXAMIANS APP
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