Electric Illumination Quiz Set 1

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Created by Surendra

Electric Illumination Quiz in English Set 1

All Important Question Answers for Electrician Related Exams

1 / 20

The unit of luminous flux is

2 / 20

The unit of solid angle is

3 / 20

Illumination level required for precision work is around

4 / 20

Which of the following will need lowest level of illumination ?

5 / 20

Which of the following lamp gives nearly monochromatic light ?

6 / 20

Light waves travel with a velocity of

7 / 20

Luminous efficiency of a fluorescent tube is

8 / 20

Candela is-the unit for

9 / 20

Melting temperature of tungsten is

10 / 20

Light is produced in electric discharge lamps by

11 / 20

Which photometer depends for its operation on Inverse Square Law ?

12 / 20

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

13 / 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

14 / 20

Lumen/watt is the unit of

15 / 20

The color temperature of day light is around

16 / 20

Candela is the unit of

17 / 20

Carbon arc lamps are commonly used in

18 / 20

Radiant efficiency of the luminous source depends on

19 / 20

The illumination level in houses is in the range

20 / 20

One lumen per square meter is the same as

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

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