Electrician And Wireman Practice

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Transmission And Distribution : Electrician And Wireman MCQ Practice Questions & Answers (Sanskrit) - ObjectiveMcq

Electrician And Wireman Practice

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Transmission And Distribution in Electrician And Wireman : Practice MCQ Questions & Answers with Explanations

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In a distribution system, __________ causes lamps to burn out permanently and may cause failure of other appliances.

Low permittivity

High resistance

High voltage

Low voltage

Correct Answer:

Explanation:

The correct answer is C: High voltage.

A good distribution system requires a proper voltage level at the consumer terminal.
Voltage variations at the consumer terminal must be kept as low as possible.
Changes in voltage are generally caused by variation of load on the system.
High voltage causes lamps to burn out permanently and may cause failure of other appliances.
The permissible voltage variation is ±5% of the rated voltage.