Switch Gear Arc in a circuit breaker is interrupted at maximum voltage zero current minimum voltage maximum current maximum voltage zero current minimum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of tungsten silver carbon graphite tungsten silver carbon graphite ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under steady state of short circuit current transient state of short circuit current after dc component has ceased sub-transient state of short circuit current steady state of short circuit current transient state of short circuit current after dc component has ceased sub-transient state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 35 kA 60 kA 80 kA 20 kA 35 kA 60 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 500 mega ohms 1 mega ohms 100 mega ohms 10 mega ohms 500 mega ohms 1 mega ohms 100 mega ohms 10 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? sulphur hexafluoride distilled water transformer oil carbon tetrachloride sulphur hexafluoride distilled water transformer oil carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP