A. distribution transformer
B. generator transformer of the power plant
C. auto-transformer of the power plant
D. station transformer of the power plant
A. distribution transformer
B. generator transformer of the power plant
C. auto-transformer of the power plant
D. station transformer of the power plant
A. constant for all distances
B. lower than that of if fault occurs away from the relay
C. higher than that of if fault occurs away from the relay
D. none of the above
A. transposition of the power line
B. transposition of the communication line
C. both (A) and (B)
D. increasing the distance between the conductors
A. Open circuit
B. Short-circuit
E. Long
D. None of the above
A. 1.5 sec
B. 5 to 10 sec
C. 5 to 20 sec
D. 20 to 30 sec
E. none of the above
A. Lightning arresters
B. Relays
C. Step-down transformer
D. Switchgear
A. thermocouple
B. pyrometer
C. resistance thermometer
D. thermometer
A. split-phase relays
B. reactance relays
C. impedance relays
D. none of the above
A. Impedance
B. Reactance
C. Either of the above
D. None of the above
A. Induction type
B. Reactance
C. Impedance
D. None of the above