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

Illumination level required for precision work is around

2 / 20

Radiant efficiency of the luminous source depends on

3 / 20

The unit of solid angle is

4 / 20

Carbon arc lamps are commonly used in

5 / 20

Candela is the unit of

6 / 20

One lumen per square meter is the same as

7 / 20

The illumination level in houses is in the range

8 / 20

Luminous efficiency of a fluorescent tube is

9 / 20

The color temperature of day light is around

10 / 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

11 / 20

Lumen/watt is the unit of

12 / 20

Candela is-the unit for

13 / 20

The unit of luminous flux is

14 / 20

Which of the following will need lowest level of illumination ?

15 / 20

Melting temperature of tungsten is

16 / 20

Light is produced in electric discharge lamps by

17 / 20

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

18 / 20

Which of the following lamp gives nearly monochromatic light ?

19 / 20

Light waves travel with a velocity of

20 / 20

Which photometer depends for its operation on Inverse Square Law ?

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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