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Transmission & Distribution

Transmission & Distribution
Which of the following characteristics should the line supports for transmission lines possess?

High mechanical strength
All of these
Longer life
Low cost

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Transmission & Distribution
The wooden poles well impregnated with creosote oil or any preservative compound has life

10 to 15 years
25 to 30 years
60 to 70 years
From 2 to 5 years

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Transmission & Distribution
In ac system, volatge drop is due to

All listed here
Inductance alone
Capacitance alone
Resistance alone

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Transmission & Distribution
The usual span with RCC Poles are

40-50 meters
60-100 meters
800-100 meters
300-500 meters

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

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

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Transmission & Distribution
In the event of the fault, line can be opened quickly by

Fuse
All of the listed here
G. O. Switch
CB

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