GETCO Exam Paper (30-11-2008) Isolaters used in transmission lines are capable of breaking no current fault current charging current load current no current fault current charging current load current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) When a star delta transformer bank of three single phase transformers is to be used for step down transformation with line voltages of 23000 V and 2300 V, the ratio of transformation will be 12.1:1 17.2:1 10.0:1 5.8:1 12.1:1 17.2:1 10.0:1 5.8:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transmission efficiency increases as voltage increases but power factor decreases voltage and power factor both decrease voltage and power factor both increase voltage decreases but power factor increases voltage increases but power factor decreases voltage and power factor both decrease voltage and power factor both increase voltage decreases but power factor increases ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Graded time lag over current relaying without directional features can be employed for protection of none of these radial feeders parallel feeders ring mains none of these radial feeders parallel feeders ring mains 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 control the level of oil in the tank to provide protection against over currents to suppress harmonics to arrest flow of moisture into the tank to control the level of oil in the tank 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.
GETCO Exam Paper (30-11-2008) Burden of the relay is _____ rating of relay watt current voltage volt-amp. watt current voltage volt-amp. ANSWER DOWNLOAD EXAMIANS APP
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