A booster is a_________________?
A booster is a_________________?
A. series wound generator
B. shunt wound generator
C. synchronous generator
D. none of the above
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The spacing between phase conductors of a 220 kV line is approximately equal to________________?
The spacing between phase conductors of a 220 kV line is approximately equal to________________?
A. 2 m
B. 3.5 m
C. 6 m
D. 8.5 mThe voltage regulation in magnetic amplifier type voltage regulator is effected by__________?
The voltage regulation in magnetic amplifier type voltage regulator is effected by__________?
A. electromagnetic induction
B. varying the resistance
C. varying the reactance
D. variable transformerConstant voltage transmission entails the following disadvantage?
Constant voltage transmission entails the following disadvantage?
A. large conductor area is required for same power transmission
B. short-circuit current of the system is increased
C. either of the above
D. none of the aboveLarge industrial consumers are supplied electrical energy at__________________?
Large industrial consumers are supplied electrical energy at__________________?A. 400 V
B. 11 kV
C. 66 kV
D. 400 kVWhich of the following characteristics should the line supports for transmission lines possess?
Which of the following characteristics should the line supports for transmission lines possess?
A. Low cost
B. High mechanical strength
C. Longer life
D. All of the aboveThere is a greater possibility of occurence of corona during______________?
There is a greater possibility of occurence of corona during______________?
A. dry weather
B. winter
C. summer heat
D. humid weather
E. none of the above