Which of the following is usually not the generating voltage ?
Which of the following is usually not the generating voltage ?
A. 6.6 kV
B. 8.8 kV
C. 11 kV
D. 13.2 kV
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The power factor of industrial loads is generally______________?
The power factor of industrial loads is generally______________?
A. unity
B. lagging
C. leading
D. zeroThe 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 aboveThe 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 mWhich of the following materials is used for overhead transmission lines ?
Which of the following materials is used for overhead transmission lines ?
A. Steel cored aluminium
B. Galvanised steel
C. Cadmium copper
D. Any of the aboveThe 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 aboveIn aluminium conductors, steel core is provided to____________?
In aluminium conductors, steel core is provided to____________?
A. compensate for skin effect
B. neutralise proximity effect
C. reduce line inductance
D. increase the tensile strength