Download GTU BE/B.Tech 2018 Winter 6th Sem Old 161904 Alternate Energy Sources Question Paper

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Subject Code: 161904

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER-VI (OLD) EXAMINATION - WINTER 2018

Subject Name: Alternate Energy Sources

Time: 02:30 PM TO 05:00 PM

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

1. Define different seven solar angles with neat sketch. (07)
2. Explain the principle of working of a Pyrheliometer with a neat sketch. (07)

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Q.2

1. How are the concentrating collectors classified? With neat sketch explain construction and working of any one. (07)
2. Determine the number of day light hours in Shrinagar on 6th January and 6th July. Latitude : 36 degree 05 Minutes. (07)

OR

1. Explain the different heat losses in Flat plate Collector. (07)

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2. List advantages and disadvantages of Geothermal energy as compared to Wind and Solar energy. (07)

Q.3

1. Explain working of horizontal axis wind generator with the help of a schematic diagram. (07)

OR

1. Explain in detail site selection criteria for biogas plant and list digester design consideration. (07)

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Q.4

1. Explain open cycle MHD with neat sketch. (07)
2. Discuss the factors which affect the bio gas production in detail (07)

Q.5

1. What are the conventional and non conventional energy sources ? Describe briefly. (07)

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OR

1. Draw neat labeled sketch only of the following :
   (1) Solar still (i1) Solar cooker (07)
2. Explain following terms: - Energy conservation, Energy management, Energy audit, Energy efficiency, Energy security. (07)

1. Discuss the advantages and disadvantages of OTEC system. (07)

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2. Derive an expression of energy and power in simple single basin tidal power plant. (07)

OR

1. Write a short note on Tidal power plant with double basin system. (07)
2. State the methods of waste heat utilization and explain any one. (07)

Date: 30/11/2018

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Total Marks: 70

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