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03000EE366052006

Size of lamps: 200W 300W 500W
Luminous efficiency: 16 18 20
(in 11/५४)
PART ட
Answer any two full questions, each carries 10 marks
It is desired to illuminate a drawing hall with an average illumination of
200lux. The hall is 30x20m. The lamps are to be fitted 4m from the ground
floor. Find the number of lamps and wattage per lamp for the lighting scheme.
Given efficiency of the lamps available as 25lm/W, DF=0.8, Cu=0.75, space-
height ratio is 0.8-1.2. Give satisfactory spacing arrangement.
Calculate space between two poles of street light having fixture watt as 250W,
lamp output is 33200 lumens. Required lux is 5 lux. Width of the road is 11.8
feet. Height of the pole is 26.24 feet. CU=0.18, LLDF=0.8, LDDF=0.9.
Explain the features of corridor lighting.
What are the different types of lamps used in street lighting?
What are the requirements of a good street lighting?
PART D
Answer any two full questions, each carries 10 marks.
What is the importance of aesthetic lighting?
List out the requirements for lighting a sports stadium.
What are the different luminaries used in flood lighting.
What are the different methods for aiming of lamps in flood lighting?
Describe any 5 features of monument lighting.

What are the objectives of flood lighting?

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