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Wireman Set-1
Illumination
2

Illumination MCQ with Answers

2) Which is defined as that the luminous flux reaching a surface perpendicularly per unit area?

Luminous flux

Illuminance

Luminous intensity

Lux

Answer is:

Illuminance

Illumination MCQ with Answers

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Related Illumination MCQ with Answers

3) Which is the property of good illumination?

Should cover huge area

Should have glaring light

Should be low consumption

Should not strain the eyes

Answer is:

Should not strain the eyes

4) Which metal is used a filament incandescent lamps?

Nichrome

Tungsten

Eureka

Silver

Answer is:

Tungsten

5) Where halogen lamps are used?

Domestic lighting

Industrial lighting

TV photography

Out door lighting

Answer is:

TV photography

6) Which is coated in the tungsten filament of fluorescent tube lamp?

Barium and strontium oxides

Mercury

Sodium

Phosphor

Answer is:

Barium and strontium oxides

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