Switchgear and Protection

A. a capackive reactance
B. an inductive reactance
C. a resistance increasing with voltage rise across the arc
D. a resistance decreasing with voltage rise across the arc

A. fuses
B. relays
C. fast switches
D. circuit breakers

A. delayed
B. instantaneous
C. both of the above
D. none of the above

A. delayed trip action
B. instantaneous trip action
C. both of the above
D. none of the above

A. Inverse time trip
B. Time-delay trip
C. Shunt trip
D. None of the above
E. All of the above

A. protect the line
B. open the circuit
C. protect the appliance
D. prevent excessive currents
E. none of the above