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) Transmission efficiency increases as voltage and power factor both increase voltage increases but power factor decreases voltage and power factor both decrease voltage decreases but power factor increases voltage and power factor both increase voltage increases but power factor decreases voltage and power factor both decrease voltage decreases but power factor increases ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) A CB under normal conditions, should be inspected once in 5 years a month 3 or 6 months a week 5 years a month 3 or 6 months a week ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the folt current is 2000 A, the relay setting is 50 percent & CT ratio is 400/5, the plug setting multiplier is 50 25 10 15 50 25 10 15 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The symmetrical components are used in fault analysis because the number of equations become lesser the sequence networks do not have mutual couplings the result are in terms of symmetrical components none of these the number of equations become lesser the sequence networks do not have mutual couplings the result are in terms of symmetrical components none of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transient stability of a power system depends on All of these fault-clearing time the strength of transmission network the short circuit ratio of generating units All of these fault-clearing time the strength of transmission network the short circuit ratio of generating units ANSWER DOWNLOAD EXAMIANS APP
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