GETCO Exam Paper (30-11-2008) Which of the following connection of transformer will give the highest secondary voltage? Delta primary, delta secondary Delta primary, star secondary star primary, delta secondary star primary, star secondary Delta primary, delta secondary Delta primary, star secondary star primary, delta secondary star primary, star secondary ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is to suppress harmonics to control the level of oil in the tank to arrest flow of moisture into the tank to provide protection against over currents to suppress harmonics to control the level of oil in the tank to arrest flow of moisture into 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) In an overhead transmission line, wave traps are used for the detection of the _____ signals. carrier fault power fault voltage fault current carrier fault power fault voltage fault current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The normal difference between transmission lines and distribution lines is The quantity of current carried by the lines The cross sectional area of the conductors The operating voltage The quantity of power being transmitted by the lines The quantity of current carried by the lines The cross sectional area of the conductors The operating voltage The quantity of power being transmitted by the lines ANSWER DOWNLOAD EXAMIANS APP
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 Higher voltage level Greater leading power angle Lagging power angle Higher input current Higher voltage level Greater leading power angle Lagging power angle ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to tie line load changes only tie line voltage changes only frequency changes only both frequency and tie line load changes tie line load changes only tie line voltage changes only frequency changes only both frequency and tie line load changes ANSWER DOWNLOAD EXAMIANS APP
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