Switch Gear Series capacitors are used to compensate for line capacitive reactance compensate for line inductive reactance None of these improve line voltage compensate for line capacitive reactance compensate for line inductive reactance None of these improve line voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is line to line fault all three lines short-circuited line to ground fault two lines to ground fault line to line fault all three lines short-circuited line to ground fault two lines to ground fault 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 Which of the following is used in liquid fuses ? carbon tetrachloride transformer oil sulphur hexafluoride distilled water carbon tetrachloride transformer oil sulphur hexafluoride distilled water ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has a linear characteristic has inverse characteristic is a circle None of these has a linear characteristic has inverse characteristic is a circle None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP