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
0
Fault diverters are basically____________?
0
Magnetic circuit breaker has ___________ trip action
A. fuses
B. relays
C. fast switches
D. circuit breakers
0
Thermal circuit breaker has____________?
A. delayed
B. instantaneous
C. both of the above
D. none of the above
0
With which of the following, a circuit breaker must be equipped for remote operation ?
A. delayed trip action
B. instantaneous trip action
C. both of the above
D. none of the above
0
The main function of a fuse is to_____________?
A. Inverse time trip
B. Time-delay trip
C. Shunt trip
D. None of the above
E. All of the above
1
A. protect the line
B. open the circuit
C. protect the appliance
D. prevent excessive currents
E. none of the above
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