Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 6th Sem Old 161904 Alternate Energy Sources Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI (OLD) EXAMINATION ? WINTER 2018
Subject Code:161904 Date: 30/11/2018
Subject Name: Alternate Energy Sources
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Define different seven solar angles with neat sketch.
07
(b) Explain the principle of working of a Pyrheliometer with a neat sketch. 07
Q.2 (a) How are the concentrating collectors classified? With neat sketch explain
construction and working of any one.
07
(b) Determine the number of day light hours in Shrinagar on 6th January and 6th
July. Latitude : 36 degree 05 Minutes.
07
OR
(b) Explain the different heat losses in Flat plate Collector. 07
Q.3 (a) List advantages and disadvantages of Geothermal energy as compared to Wind
and Solar energy.
07
(b) Explain working of horizontal axis wind generator with the help of a schematic
diagram.
07
OR
Q.3 (a) Explain in detail site selection criteria for biogas plant and list digester design
consideration.
07
(b) Explain open cycle MHD with neat sketch.
07
Q.4 (a) Discuss the factors which affect the bio gas production in detail
07
(b) What are the conventional and non conventional energy sources ? Describe
briefly.
07
OR
Q.4 (a) Draw neat labeled sketch only of the following :
(i)Solar still (ii) Solar cooker
07
(b) Explain following terms: - Energy conservation, Energy management, Energy
audit, Energy efficiency, Energy security.
07
Q.5 (a) Discuss the advantages and disadvantages of OTEC system.
07
(b) Derive an expression of energy and power in simple single basin tidal power
plant.
07
OR
Q.5 (a) Write a short note on Tidal power plant with double basin system.
07
(b) State the methods of waste heat utilization and explain any one. 07
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This post was last modified on 20 February 2020