GETCO Exam Paper (30-11-2008) Transfer of power between two power systems takes place with power flowing from the system with the Higher input current Lagging power angle Greater leading power angle Higher voltage level Higher input current Lagging power angle Greater leading power angle Higher voltage level 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) If a combination of HRC fuse and a C.B. is employed, the C.B. operates for short circuit currents under all abnormal currents this combination is never employed in practice low over load currents short circuit currents under all abnormal currents this combination is never employed in practice low over load currents ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The relay best suited for phase fault relaying for medium transmission line is reactance relay mho relay impedance relay none of these reactance relay mho relay impedance relay none of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are purely reactive equal in inverse ratio of their ratings in direct ratio of their ratings purely reactive equal in inverse ratio of their ratings in direct ratio of their ratings 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 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 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.