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Illumination
8

Illumination MCQ with Answers

8) How strohoscopic effect is prevented in industrial twin tube light fitting?

By connecting a capacitor parallel to supply

By connecting a capacitor parallel to each tube

By connecting a capacitor series with one tube

By connecting a capacitor a series with both tube light

Answer is:

By connecting a capacitor series with one tube

Illumination MCQ with Answers

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Related Illumination MCQ with Answers

9) Which type of fluorescent tube lamps are used for dimming and flashing circuits?

Instant start fluorescent lamp

Rapid start fluorescent tube lamp

Fluorescent lamp single tube lamp

Fluorescent lamp double tube lamp

Answer is:

Rapid start fluorescent tube lamp

10) Which is cold cathode lamp?

Mercury vapour lamp

Fluorescent tube lamp

Halogen lamp

Neon lamp

Answer is:

Neon lamp

11) Which chemical composition powder gives green colour light in neon sign lamp?

Zinc silicate

Calcium tungstate

Cadmium borate

Magnesium tungstate

Answer is:

Zinc silicate

12) Which position the MA type HPMV lamp is to be hung for lighting?

Horizontally

Vertically

Inclined

Any position

Answer is:

Vertically

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