Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 35 kA 80 kA 60 kA 20 kA 35 kA 80 kA 60 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two voltages two currents None of these two or more similar electrical quantities two voltages two currents None of these two or more similar electrical quantities ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance decreases increases remains same None of these decreases increases remains same None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these electronic relays thermal relays electro-mechanical relays None of these electronic relays thermal relays electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas Is nontoxic is lighter than air is yellow in colour has pungent small Is nontoxic is lighter than air is yellow in colour has pungent small ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface ANSWER DOWNLOAD EXAMIANS APP
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