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Transmission & Distribution

Transmission & Distribution
By using bundle conductors, the critical voltage for the formation of corona will

Decrease
Not occur
Remains same
Increase

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

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

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Transmission & Distribution
220 kV transmission line voltage is economical for a distance of

400 km
200 km
22 km
100 km

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Transmission & Distribution
For operating voltages beyond 66 kv, the cable used are

S. L. Type
None of the listed here
Oil filled
Belted type

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Transmission & Distribution
A line from which the loads are tapped off is called

Service mains
Distributor
Feeder
None of the listed here

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Transmission & Distribution
The cause of damage to the lead sheath of a cable is

all of these
chemical action on the lead when buried in the earth
mechanical damage
crystallisation of the lead through vibration

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MORE MCQ ON Transmission & Distribution

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