Utility Of Electrical Engg.

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Q1:- 1 Lumen = ------ Watt

1. 0.1 watt
2. 1 watt
3. 0.0016 watt
4. 0.09 watt

ANSWER:- 3

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Q2:- Lumen hour is equal to 

1. watt hour
2. watt
3. joule
4. none of the above

ANSWER:- 1

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Q3:- Unit of Brightness or (luminace)

1. cd
2. cd/square m 
3. cd/m
4. none 

ANSWER:- 2

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Q4:- Smallest unit of light is

1. lux
2. lumen / w
3. lumen
4. none of the above

ANSWER:- 1

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Q5:- Waste light factor for plane place 

1. 1
2. 2
3. 1.2
4. 0

ANSWER:- 3

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