By | June 11, 2020
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Created by Surendra

Electric Illumination Quiz in English Set 1

All Important Question Answers for Electrician Related Exams

1 / 20

Light is produced in electric discharge lamps by

2 / 20

Carbon arc lamps are commonly used in

3 / 20

The unit of luminous flux is

4 / 20

Which of the following lamp gives nearly monochromatic light ?

5 / 20

The unit of solid angle is

6 / 20

Radiant efficiency of the luminous source depends on

7 / 20

Lumen/watt is the unit of

8 / 20

The color temperature of day light is around

9 / 20

Which of the following will need lowest level of illumination ?

10 / 20

The illumination level in houses is in the range

11 / 20

Luminous efficiency of a fluorescent tube is

12 / 20

The illumination is directly proportional to the cosine of the angle made by the normal to the illuminated surface with the direction of the incident flux. Above statement is associated with

13 / 20

Candela is-the unit for

14 / 20

One lumen per square meter is the same as

15 / 20

Candela is the unit of

16 / 20

Light waves travel with a velocity of

17 / 20

Melting temperature of tungsten is

18 / 20

Which photometer depends for its operation on Inverse Square Law ?

19 / 20

Illumination level required for precision work is around

20 / 20

Which of the following will need the highest level of illumination ?

कृपया सही सूचना भरें ताकि सर्टिफिकेट ईमेल पर भेजा जा सकें।

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आपको यह क्विज अच्छी लगी तो 5 स्टार रेटिंग जरुर दें । 

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