Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts high speed opening of contacts arc suppressing blow out coils all of these wide separation of the opened contacts high speed opening of contacts arc suppressing blow out coils all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas Is nontoxic is yellow in colour is lighter than air has pungent small Is nontoxic is yellow in colour is lighter than air has pungent small ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 6.25 A 12.5 A 3.125 A 25 A 6.25 A 12.5 A 3.125 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under after dc component has ceased sub-transient state of short circuit current transient state of short circuit current steady state of short circuit current after dc component has ceased sub-transient state of short circuit current transient state of short circuit current steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 10 mega ohms 500 mega ohms 100 mega ohms 1 mega ohms 10 mega ohms 500 mega ohms 100 mega ohms 1 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 8 4 6 2 8 4 6 2 ANSWER DOWNLOAD EXAMIANS APP