In a tap changing transformer, the tappings are provided on__________?
In a tap changing transformer, the tapgs are provided on__________?
A. primary winding
B. secondary winding
C. high voltage winding
D. any of the above
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310 km line is considered as_______________?
310 km line is considered as_______________?
A. a long line
B. a medium line
C. a short line
D. any of the aboveFor transmission of power over a distance of 500 km, the transmission voltage should be in the range?
For transmission of power over a distance of 500 km, the transmission voltage should be in the range?
A. 150 to 220 kV
B. 100 to 120 kV
C. 60 to 100 kV
D. 20 to 50 kVThe frequency of voltage generated, in case of generators, can be increased by___________?
The frequency of voltage generated, in case of generators, can be increased by___________?
A. using reactors
B. increasing the load
C. adjusting the governor
D. reducing the terminal voltage
E. none of the aboveA 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 aboveThe 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 transformerWhich of the following is not a constituent for making porcelain insulators ?
Which of the following is not a constituent for making porcelain insulators ?
A. Quartz
B. Kaolin
C. Felspar
D. Silica