TRANSMISSION & DISTRIBUTION QUIZ

The insulating material most commonly used for power cables is

PVC

Rubber

None of the listed here

Paper

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The material used for the manufacture of grounding wire is

Aluminium

Cast iron

Stainless steel

Galvanized steel

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Skin effect only exist in

Low voltage dc overhead transmission

High voltage dc overhead transmission

Ac transmission

Cables carrying dc current

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A booster is a

Dc shunt generator

Dc series generator

None of the listed here

Dc compound generator

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When the load at the receiving end of a long transmission line is removed, the sending end voltage. This effect is known as

Kelvin effect

Ferranti effect

Proximity effect

Skin effect

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The following system is not generally used

3-phase 4-wire

1-phase 4-wire

3-phase 3-wire

1-phase 3-wire

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In capacitance grading of cables, we use

None of the listed here

A large number of dielectrics

One dielectric

Two or three dielectrics

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Which of the following D.C. distribution system is the simplest and lowest in first cost?

Ring system

Interconnected system

Radial system

None of these

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On which of the following does the size of a feeder depend?

Voltage drop

Current carrying capacity

Voltage

Frequency

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If the height of transmission tower is increased, which of the following parameters is likely to change?

Capacitance

Resistance

Inductance

All of the listed here

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