Switch Gear The arc voltage produced in AC circuit breaker is always None of these lagging the arc current by 90° leading the arc current by 90° In phase with the arc current None of these lagging the arc current by 90° leading the arc current by 90° In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to open the circuit protect the line protect the appliance prevent excessive currents None of these open the circuit protect the line protect the appliance prevent excessive currents None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in sf 6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf 6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of porcelain aluminium alloy copper tungsten alloy electrolytic copper porcelain aluminium alloy copper tungsten alloy electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two or more similar electrical quantities None of these two currents two voltages two or more similar electrical quantities None of these two currents two voltages ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas 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 is nontoxic ANSWER DOWNLOAD EXAMIANS APP