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Transmission & Distribution

Transmission & Distribution
As a rough guide, the most economical transmission voltage is _____of the length of the line.

3 kV/km
3.2kV/km
2kV/km
1.6 kV/km

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Transmission & Distribution
The distribution transformer is generally connected in

Star/star
Delta/Star
Delta/Delta
Star/Delta

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Transmission & Distribution
In a balanced 3 wire dc system, the voltage across the outers is 500V. The voltage between any outer and neutral wire is

125 V
500 V
250 V
100 V

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Transmission & Distribution
In a 3- phase balanced load, each phase has

Same p. f. But different impedance
None of the listed here
Same impedance and p. f.
Same impedance but different p. f

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Transmission & Distribution
For transmission of power over a distance of 200 km, the transmission voltage should be

11 kV
33 kV
66 kV
132 kV

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Transmission & Distribution
Skin effect is noticeable only at _____ frequencies.

Audio
High
Low
All

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