Reg ‏سنن‎ 03000EE366052006™°:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Sixth semester B.Tech degree examinations (S), September 2020

Course Code: EE366
Course Name: ILLUMINATION TECHNOLOGY

Max. Marks: 100 Duration: 3 Hours
PARTA

Answer all questions, each carries5 marks. Marks
1 What are the factors that affect quality of good lighting? (5)
2 Explain Rousseans construction with the help of neat figure. (5)
3 List out the factors affecting MF and UF. (5)
4 What are the main factors to be considered while designing a street lighting? (5)
5 The front of a building should be illuminated whose area is given by 100x15m. (5)

Illumination is 100 lux. Luminous efficiency is 18 lumens/watt, DF=1.3,
CU=0.2 and wattage of lamp is 1000۷۷. Find the number of projectors or lamps
required for the building.

6 What are the guidelines applied for the selection of flood lighting. (5)
List out the design considerations while illuminating a sports area such as 8 (5)

badminton court.

8 Write about the lighting done in an operation room in a hospital. (5)
PART ‏تا‎
‎Answer any two full questions, each carries 10 marks.
9 Explain with neat diagram different lighting systems of artificial lighting. Also (10)
give application of each.
10 a) Explain laws of illumination. (5)
b) Explain stroboscopic effect and glare and how its effects can be reduced. (5)
11 A drawing hall 40mx25mx6m is to be illuminated with metal filament gas (10)

filled lamps to an average illumination of 90lm/m* on a working plane Im
above the floor. Estimate suitable number, size and mounting height of lamps.
Sketch the spacing layout. Assume CU=0.5, DF=1.2 and space-height ratio
=1.2.

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