GETCO Exam Paper (30-11-2008) Directional over current relays have two exciting coils connected across _____ secondary's of two _____ phases T. & P.T., different T. & P.T., same T., different P.T., different T. & P.T., different T. & P.T., same T., different P.T., different ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The load carrying capability of a long transmission line is always limited by conductor area may be limited by stability considerations both (a) & (b) is increased at low ambient air temperature is always limited by conductor area may be limited by stability considerations both (a) & (b) is increased at low ambient air temperature 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) The arc voltage in a C.B. is _____ with the arc current none of these leading by 90˚ lagging by 90˚ in phase none of these leading by 90˚ lagging by 90˚ in phase ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) An AC transmission line requires a VAR input: to increase power transmission to improve stability to reduce losses to improve the regulation to increase power transmission to improve stability to reduce losses to improve the regulation ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) An air blast C.B. is usually employed for _____ duty intermittent instantaneous repeated short intermittent instantaneous repeated short ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS