Download DBATU B.Tech 2019 Oct-Nov Chemical Engineering-CHEM 3rd Sem Elective I Renewable Energy Sources Question Paper

DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE

Mid Semester Examination – Sep/Oct 2019

Course: B. Tech. in Chemical Engineering

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Subject Name: Elective -I Renewable Energy Sources

Max Marks: 20

Date: 9/10/2019

Sem: III

Subject Code: BTCHE306B

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Duration: 1 Hr.

Instructions to the Students:

1. Illustrate your answers with neat sketches, diagram etc., wherever necessary.
2. If some part or parameter is noticed to be missing, you may appropriately assume it and should mention it clearly.

Q.1 Attempt following Questions by choosing option

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1. Biomass is described as (Level/CO Marks 1X6 CO2)
   (a) Large Living things (b) Inorganic matter that can be converted to fuel
   (c) Organic matter that can be converted to fuel (d) Petroleum
2. A windmill is an example of a turbine (CO4)
   (a) True (b) False

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3. In which way does the Darrieus rotor spin (C04)
   (a) Vertically (b) Horizontally (c) Both vertically & Horizontally (d) None of these
4. What is one example of Biomass (CO2)
   (a) Electricity (b) Trees (c) Wind (d) Water
5. By which process solar energy is converted into chemical energy (CO3)
   

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   (a) Evaporation (b) Greenhouse effect (c) Photosynthesis (d) None of these
6. What is one disadvantage of renewable energy (CO1)
   (a) Electricity & power could become much cheaper
   (b) 3rd world countries could have affordable energy
   (c) Many people could become energy independent
   

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   (d) Most sources are expensive to get started

Q.2 Solve Any Two of the following. (CO1 2 X 3)

1. What are renewable and nonrenewable energy sources? Give applications
2. Describe the main considerations in selecting a site for wind energy generators (CO4)
3. What are the instruments used for measuring solar radiations? Describe any two with sketches (CO3)

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Q.3 Solve Any One of the following. (1 X 8)

1. Explain various types of solar radiations? Explain working of flat plate collectors (CO3)
2. Explain briefly the construction of working of horizontal and vertical axis wind turbine with neat sketches. Discuss advantage and disadvantage of it. (C04)

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