Indira Gandhi National Open University (IGNOU) 2010 B.Arch Architecture BAR-039 : Architectural Sciences and services II (illumination and Acoustics) / - Question Paper
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Kindly obtain the attachment of BAR-039 : Architectural Sciences and services II (illumination and Acoustics) / June 2010
Thanks and Regards,
Silamba Kumar S
No. of Printed Pages : 3 BAR-039
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BAR-039 : ARCHITECTURAL SCIENCES & SERVICES - II (ILLUMINATION & ACOUSTICS)
Maximum Marks : 70
Time : 3 hours
Note : (i) All questions carry equal marks.
(ii) Attempt any five questions. 3 out of section - A and 2 out of section - B.
SECTION - A
1. What do you understand by the term "perception 14 of light" ? Explain the role of "quantity of light",
"eye system", "cone of vision" with suitable definitions of terms used. Illustrate using diagrams.
2. How is daylight necessary for work spaces ? What 14 are the different design criteria to be considered while designing a space ? Which should have sufficient daylight in different seasons ?
3. Explain daylight factor method for daylight 14 analysis. What is the role of interior finishes in highlighting the daylight condition ? Explain giving three examples.
4. What are various types of artificial lamps ? 14 Explain their energy and light output characteristics. What considerations do you keep
in mind while selecting lamps for energy efficiency ?
5. Explain lumen-method for determining artificial 14 lighting from a given source. What is the role of mounting height with respect to indirect lighting ? Explain using illustrations or examples.
6. What do you understand by sound intensity and 14 decibel scale ? Also, explain concept of frequency
and wavelength. How does the above affect the design of a given space ? Explain using any one space type as an example.
7. How is the accoustical considerations for an 14 auditorium different from that of a conference
hall ? What is the role of sound reflections and absorption in both ?
8. An auditorium is adjoining a high traffic road. 14 What design measures would you recommend to control noise at the level of :
(a) interior planning of the auditorium
(b) planning of exterior of the auditorium as well as the space between the auditorium and the road.
BAR-039 3
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