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Transmission & Distribution

Transmission & Distribution
As a mater of economy, voltage for power transmission should be

Medium
None of the listed here
Low
High

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

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

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Transmission & Distribution
Overhead system can be designed for operation upto

400 kV
11 kV
66 kV
33 kV

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Transmission & Distribution
When a conductor carries more current on the surface as compared to core, it is due to

Unsymmetrical fault
Skin effect
Corona
Permeability variation

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Transmission & Distribution
Which of the following faults is most likely to occur in cables?

All of these
Open circuit fault
Breakdown of cable insulation
Cross or short-circuit fault

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

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

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