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

The unit of solid angle is

2 / 20

One lumen per square meter is the same as

3 / 20

Which of the following lamp gives nearly monochromatic light ?

4 / 20

Luminous efficiency of a fluorescent tube is

5 / 20

Which of the following will need lowest level of illumination ?

6 / 20

Lumen/watt is the unit of

7 / 20

The illumination level in houses is in the range

8 / 20

Illumination level required for precision work is around

9 / 20

The unit of luminous flux is

10 / 20

Which photometer depends for its operation on Inverse Square Law ?

11 / 20

Light is produced in electric discharge lamps by

12 / 20

Carbon arc lamps are commonly used in

13 / 20

The color temperature of day light is around

14 / 20

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

15 / 20

Candela is-the unit for

16 / 20

Light waves travel with a velocity of

17 / 20

Radiant efficiency of the luminous source depends on

18 / 20

Candela is the unit of

19 / 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

20 / 20

Melting temperature of tungsten is

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

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