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 this combination is never employed in practice low over load currents short circuit currents under all abnormal currents this combination is never employed in practice low over load currents ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arcing voltage will be the least in case of silver carbon tungsten copper silver carbon tungsten copper ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) With the increase in mechanical force applied, the contact resistance remains unaltered decreases is unpredictable increases remains unaltered decreases is unpredictable increases ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The arc voltage in a C.B. is _____ with the arc current lagging by 90˚ in phase none of these leading by 90˚ lagging by 90˚ in phase none of these leading by 90˚ ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The recovery voltage will be maximum for p.f. of 0.5 0.707 unity zero 0.5 0.707 unity zero ANSWER DOWNLOAD EXAMIANS APP