A feeder, in a transmission system, feeds power to________________?
A feeder, in a transmission system, feeds power to________________?
A. distributors
B. generating stations
C. service mains
D. all of the above
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Electro-mechanical voltage regulators are generally used in___________?
Electro-mechanical voltage regulators are generally used in___________?
A. reactors
B. generators
C. transformers
D. all of the aboveIn a substation the following equipment is not installed?
In a substation the following equipment is not installed?
A. exciters
B. series capacitors
C. shunt reactors
D. voltatre transformersA circuit is disconnected by isolators when____________?
A circuit is disconnected by isolators when____________?
A. line is energized
B. there is no current in the line
C. line is on full load
D. circuit breaker is not openThe phenomenon qf rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the________________?
The phenomenon qf rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the________________?
A. Seeback effect
B. Ferranti effect
C. Raman effect
D. none of the aboveWhen the interconnector between two stations has large reactance?
When the interconnector between two stations has large reactance?
A. the transfer of power will take place with voltage fluctuation and noise
B. the transfer of power will take place with least loss
C. the stations will fall out of step be¬cause of large angular displacement between the stations
D. none of the aboveThe minimum clearance between the ground and a 220 kV line is about_________________?
The minimum clearance between the ground and a 220 kV line is about_________________?
A. 4.3 m
B. 5.5 m
C. 7.0 m
D. 10.5 m