GETCO Exam Paper (30-11-2008) The voltage regulation of a transformer at full load and 0.8 power factor lagging is 2.5%. The voltage regulation at full load, 0.8 power factor leading will be 0.01 zero 2.5% -2.5% 0.01 zero 2.5% -2.5% ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The arc voltage in a C.B. is _____ with the arc current in phase none of these lagging by 90˚ leading by 90˚ in phase none of these lagging by 90˚ leading by 90˚ ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) A reactance relay is _____ restrained _____ relay. voltage, over-current voltage, directional direction, over-current direction, over-voltage voltage, over-current voltage, directional direction, over-current direction, over-voltage 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 this combination is never employed in practice under all abnormal currents low over load currents short circuit currents this combination is never employed in practice under all abnormal currents low over load currents short circuit currents ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) An air blast C.B. is usually employed for _____ duty repeated instantaneous intermittent short repeated instantaneous intermittent short ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Graded time lag over current relaying without directional features can be employed for protection of ring mains parallel feeders none of these radial feeders ring mains parallel feeders none of these radial feeders ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS