Indira Gandhi National Open University (IGNOU) 2009 B.Arch Architecture sciences&service:Bachelor of - Question Paper
This beneath ques. paper is related to Bachelor of architecture in the year 2009 and paper is architecture sciences and service.
No. of Printed Pages : 3 BAR-039
ILLUMINATION & ACOUSTIC Term-End Examination December, 2010 BAR-039 : ARCHITECTURAL SCIENCES & SERVICES - II (ILLUMINATION & ACOUSTICS)
00761
Time : 3 hours Maximum Marks : 70
Note : (i) All questions carry equal marks.
(ii) Attempt any five questions. 3 from section - A and 2 from section - B.
3. What do you understand by energy efficient 14 lighting?
(a) Give examples of indoor lighting fixtures and outdoor lighting fixtures (lamp types).
(b) Explain how the planning of a building is affected by the above.
4. What is the impact of natural lighting on heat 14 load? Why do we recommend daylight use for energy conservation?
5. What are the design and technical considerations 14 for daylight planning? Explain daylight factor method.
SECTION - B
6. Explain the different measures for noise control 14 in hospital buildings. What is the role of spatial planning in the case of hospital buildings?
7. Explain the acoustical qualities & characteristics 14 of a good lecture room. What is role of reverberation time in acoustics? How do you ensure suitable absorption for maintaining reverberation time?
8. Explain terms "Noise reduction", "Sound 14 absorption", "decibels scale", "sound intensity"
and "Sound refraction". Explain with examples.
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