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 equal in direct ratio of their ratings in inverse ratio of their ratings purely reactive equal in direct ratio of their ratings in inverse ratio of their ratings purely reactive ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Directional over current relays have two exciting coils connected across _____ secondary's of two _____ phases P.T., different T., different T. & P.T., different T. & P.T., same P.T., different T., different T. & P.T., different T. & P.T., same ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The arc voltage in a C.B. is _____ with the arc current in phase leading by 90˚ lagging by 90˚ none of these in phase leading by 90˚ lagging by 90˚ none of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The symmetrical components are used in fault analysis because the result are in terms of symmetrical components the sequence networks do not have mutual couplings none of these the number of equations become lesser the result are in terms of symmetrical components the sequence networks do not have mutual couplings none of these the number of equations become lesser ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Power system A is operating in parallel with other systems and has a frequency bias of 50 MW/0.1 Hz. For a loss of generation in one of the interconnected systems resulting in a frequency drop of 0.02 Hz, system A should provide 30 MW support provide 10 MW of support not be affected provide 20 MW of support provide 30 MW support provide 10 MW of support not be affected provide 20 MW of support ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to tie line voltage changes only tie line load changes only both frequency and tie line load changes frequency changes only tie line voltage changes only tie line load changes only both frequency and tie line load changes frequency changes only ANSWER DOWNLOAD EXAMIANS APP
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