Switch Gear To limit short-circuit current in a power system are used isolators H.R. fuses reactors earth wires isolators H.R. fuses reactors earth wires ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under sub-transient state of short circuit current transient state of short circuit current after dc component has ceased steady state of short circuit current sub-transient state of short circuit current transient state of short circuit current after dc component has ceased steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two or more similar electrical quantities two voltages two currents None of these two or more similar electrical quantities two voltages two currents None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage rise no current flow voltage drop heavy current flow voltage rise no current flow voltage drop heavy current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is nontoxic is yellow in colour is lighter than air None of these has pungent small is nontoxic is yellow in colour is lighter than air None of these has pungent small ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 10 A 30 A 20 A 5 A 10 A 30 A 20 A 5 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS