GETCO Exam Paper (30-11-2008) In a dry type transformer, accumulation of dust on the windings and core is likely to cause reduction in heat dissipation corrosion of core material short circuiting of primary winding short circuiting of secondary winding reduction in heat dissipation corrosion of core material short circuiting of primary winding short circuiting of secondary winding ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to both frequency and tie line load changes tie line voltage changes only frequency changes only tie line load changes only both frequency and tie line load changes tie line voltage changes only frequency changes only tie line load changes only ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arcing voltage will be the least in case of silver copper carbon tungsten silver copper carbon tungsten ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Highest voltage for transmitting electrical power in India is (in 2008) 550 kV 400 kV 700 kV 765 kV 550 kV 400 kV 700 kV 765 kV ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The symmetrical components are used in fault analysis because none of these the sequence networks do not have mutual couplings the result are in terms of symmetrical components the number of equations become lesser none of these the sequence networks do not have mutual couplings the result are in terms of symmetrical components the number of equations become lesser ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is to control the level of oil in the tank to arrest flow of moisture into the tank to suppress harmonics to provide protection against over currents to control the level of oil in the tank to arrest flow of moisture into the tank to suppress harmonics to provide protection against over currents 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.
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