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Transmission & Distribution

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

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

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Transmission & Distribution
In a D.C. 3-wire distribution system, balancer fields are cross-connected in order to

equalize voltages on the positive and negative outers
boost the generated voltage
make both machine^ run as unloaded motors
balance loads on both sides of the neutral

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Transmission & Distribution
The power transmitted will be maximum when

Sending end voltage is more
Corona losses are minimum
Reactance is high
Receiving end voltage is more

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Transmission & Distribution
Which of the following is the source of heat generation in the cables?

Dielectric losses in cable insulation
losses in the conductor
All of these
Losses in the metallic sheathings and armourings

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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
10 to 15 years
25 to 30 years
60 to 70 years

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Transmission & Distribution
The line voltage on the L. T. Side of a distribution transformer is

800 V
230 V
11 kV
400 V

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