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Transmission & Distribution

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

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

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Transmission & Distribution
If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as

Kirchhoff's law
Kelvin's law
Ohm's law
Faraday's law

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Transmission & Distribution
In capacitance grading of cables, we use

Two or three dielectrics
None of the listed here
A large number of dielectrics
One dielectric

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

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

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Transmission & Distribution
The angular displacement between two interconnected stations is mainly due to

Armature reactance of both alternators
Synchronous reactance of both the alternators
All of these
Reactance of the interconnector

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Transmission & Distribution
Corona result in

Better regulation
Radio frequency
Power factor improvement
None of the listed here

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MORE MCQ ON Transmission & Distribution

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