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
GETCO Exam Paper (30-11-2008) Arcing voltage will be the least in case of copper tungsten silver carbon copper tungsten silver carbon ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) With the increase in mechanical force applied, the contact resistance is unpredictable remains unaltered decreases increases is unpredictable remains unaltered decreases increases 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) The recovery voltage will be maximum for p.f. of 0.707 0.5 unity zero 0.707 0.5 unity zero ANSWER DOWNLOAD EXAMIANS APP