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 5.8:1 12.1:1 10.0:1 17.2:1 5.8:1 12.1:1 10.0:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Select the most suitable word from the given choices to fill in the blanks to make the sentence meaningfully complete You have _____ trouble to all of us. produced caused resulted done produced caused resulted done 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 impedance relay mho relay none of these reactance relay impedance relay mho relay none of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If a power system is transiently stable, it is always dynamically stable both (a) & (c ) will oscillate beyond the first swing may be dynamically unstable is always dynamically stable both (a) & (c ) will oscillate beyond the first swing may be dynamically unstable ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 6.6 kV (rms value)/cm 30 kV (maximum value)/cm 11 kV (rms value)/cm 22 kV (maximum value)/cm 6.6 kV (rms value)/cm 30 kV (maximum value)/cm 11 kV (rms value)/cm 22 kV (maximum value)/cm 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 low over load currents 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 ANSWER DOWNLOAD EXAMIANS APP
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