Physics, asked by chiranjeevimolugu200, 8 months ago

3 a 8m 4m is to have direct lighting giving
anon of 80 Aux on the working plane 70 cm above the
door Us 0.5 and M.F is 0.8. Find no. of fluorescent tube
lamps required and their rating. Lamp efficiency may be taken
as 40 lm/W. Assume suitable SHR and draw the layout.

Answers

Answered by Legend42

Answer:

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The two most common types are 40-watt, 4-foot (1.2-meter) lamps, and 75-watt, 8-foot (2.4-meter) lamps. Now, tubular fluorescent technology has improved. New products such as T8 and T5 are much more energy efficiency than T12 (T12 – 57 lumens/watt; T8 – 92 lumens/watt; T5 – 103 lumens/watt).The two most common types are 40-watt, 4-foot (1.2-meter) lamps, and 75-watt, 8-foot (2.4-meter) lamps. Now, tubular fluorescent technology has improved. New products such as T8 and T5 are much more energy efficiency than T12 (T12 – 57 lumens/watt; T8 – 92 lumens/watt; T5 – 103 lumens/watt).

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3 a 8m 4m is to have direct lighting givinganon of 80 Aux on the working plane 70 cm above thedoor Us 0.5 and M.F is 0.8. Find no. of fluorescent tubelamps required and their rating. Lamp efficiency may be takenas 40 lm/W. Assume suitable SHR and draw the layout.​

Answers

3 a 8m 4m is to have direct lighting giving
anon of 80 Aux on the working plane 70 cm above the
door Us 0.5 and M.F is 0.8. Find no. of fluorescent tube
lamps required and their rating. Lamp efficiency may be taken
as 40 lm/W. Assume suitable SHR and draw the layout.