GETCO Exam Paper (30-11-2008) Burden of the relay is _____ rating of relay voltage volt-amp. watt current voltage volt-amp. watt current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If a combination of HRC fuse and a C.B. is employed, the C.B. operates for this combination is never employed in practice short circuit currents under all abnormal currents low over load currents this combination is never employed in practice short circuit currents under all abnormal currents low over load currents ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is 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 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) Graded time lag over current relaying without directional features can be employed for protection of ring mains none of these parallel feeders radial feeders ring mains none of these parallel feeders radial feeders 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 17.2:1 12.1:1 5.8:1 10.0:1 17.2:1 12.1:1 5.8:1 10.0:1 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 number of equations become lesser the result are in terms of symmetrical components none of these the sequence networks do not have mutual couplings the number of equations become lesser the result are in terms of symmetrical components ANSWER DOWNLOAD EXAMIANS APP
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