GTU BE 3rd Semester 1035005 Environmental Science Summer 2018 Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BA ? SEMESTER ? 3 – EXAMINATION ? SUMMER 2018
Subject Code: 1035005 Date: 23-May-2018
Subject Name: Environmental Scienec
Time: 02:30 PM TO 04:30 PM Total Marks: 50
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Describe design characteristics of cold climate with diagrams. 05
(b Describe design strategies of moderate climate in detail. 05

Q.2 (a) Explain following terms with necessary diagrams (Any 5):
1. Insulation 2. Stack Ventilation, 3. Water wall, 4. Cavity wall
5. Wind tunnel 6. Coriolis force 7. Polar winds
05
(b What are the causes of seasonal changes on earth? 05
OR
(b What is macro climate and micro climate.
05

Q.3 (a) Explain ? Heat production in body and heat loss process. 05
(b Explain heat exchange process in the building
05
OR
Q.3 (a) Why Ventilation is needed in building? 05
(b Differentiate cross ventilation and stack ventilation 05

Q.4 (a) What is light? Explain behaviors of light when received by any object. 05
(b What is daylight factor? 05
OR
Q.4 (a) Explain following terms with necessary diagrams (Any 5)1. Reflectance
2. Transmittance
3. Refraction
4. Diffusion
5. De-humidification
6. Convection
7. Conduction
05
(b How size, positioning, porjections and control of opening effect ventilation &
day- light.
05

Q.5 Describe any climate responsive traditional building for hot & dry climate with
diagram.
10

OR
Q.5 Explain modern & mechanical techniques for designing of climate responsive
building for any climate.
10

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