Reg No.: Name:

APJ ABDUL KALAM TEERNOLORI CAL UNIVERSITY

Sixth Semester B.Tech Degree (Hons.) Examination June 2020

Course Code: EE366
Course Name: ILLUMINATION TECHNOLOGY

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 Explain different types of illumination with suitable examples. (5)
2 State and explain inverse square law and Lambert’s cosine law of illumination. (5)
3 Define a) uniformity ratio and b) direct ratio. (5)
4 What are the main factors to be considered while designing street lighting? (5)
5 Illustrate the differences between a floodlight and a spotlight with examples? (5)
6 List out the requirements of a good flood lighting scheme. (5)
7 What do you mean by aesthetic lighting? Explain its objectives. (5)
8 List out five features of auditorium lighting. (5)
PART छ

Answer any two full questions, each carries 10 marks.
9 a) Explain with neat diagram the different lighting systems employed in interior (6)

lighting.
b) Define the terms M.S.C.P and M.H.C.P. (4)
10 a) Two lamps one of 200 c.p and another of 500 c.p are hung at height 10 mand (5)
25 m respectively. The horizontal distance between the poles is 80 m.
Determine the illumination at the mid-point between the poles on the ground.
b) Explain two methods of artificial lighting. (5)
11 a) What are the factors affecting the quality of artificial lighting? (5)
b) Explain polar curve in illumination technology with the help of appropriate (5)
sketches.
PART C
Answer any two full questions, each carries10 marks.
12 9) A road 300 का long is required to be illuminated by providing 40 watt

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