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ITI
Electrician
Electrician Set-2
Illumination
14

Illumination MCQ with Answers

14) How the rate of evaporation in a vacuum bulb is reduced?

Filling inert gas

Producing arc in bulb

Reducing filament resistance

Increasing filament resistance

Answer is:

Filling inert gas

Illumination MCQ with Answers

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Related Illumination MCQ with Answers

15) What is the main advantage of coiled coil lamp?

High melting point

Higher light output

Low operating voltage

Low power consumption

Answer is:

Higher light output

16) Which device provides ignition voltage and act as choke in a HPSV lamp?

Arc tube

Sodium vapour

Leak transformer

High pressure aluminium oxide

Answer is:

Leak transformer

17) Which type of lighting system is used for flood and industrial lighting?

Direct lighting

Indirect lighting

Semi-direct lighting

Semi-indirect lighting

Answer is:

Direct lighting

18) Which is the cold cathode lamp?

Halogen lamp

Neon sign lamp

Fluorescent lamp

Mercury vapour lamp

Answer is:

Neon sign lamp

Illumination MCQ with Answers

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