Pune University BE Biotechnology Bioenergy and Renewable Resources Question Papers

Pune University Previous Papers

B.E. (Biotechnology) BIOENERGY AND RENEWABLE RESOURCES

(2008 Pattern)

(Elective – II) (Sem. – I)

Time :3 Hours]                                                                                              [Max. Marks :100

Instructions to the candidates:

1)            Answer three questions from Section -1 and Section – II.

2)            Answer to the two sections should be written in separate books.

3)            Neat diagrams must be drawn wherever necessary.

4)             Pigures to the right indicate full marks.

SECTION – I

Q1 Describe the following methods of power generation :                                         [18]

a)         Solar Energy.

b)        Wind Energy.

c)        Fuel Cell.

OR

Q2) a) What is the environmental impact of conventional energy sources? Give advantages of non-conventional energy.                                                                                          [9]

b) Describe briefly conventional and non-conventional energy sources. [9]

Q3) a) Describe with neat sketch working of wind energy systems with main components.       [8]

b) Explain in detail the geothermal energy and classify.                                     [8]

OR

Q4) a) What is the basic principle of wind energy conversion system, explain briefly.    [8]

b) Write a brief note on :                                                                                           [8]

i)              Geothermal energy

ii)           Wave and tidal energy.

 

Q5) a) Write a short note on solar power and its applications.                          [8]

b) Describe the principle of power generation in solar photovoltaic system. [8]

OR

Q6) a) Comment on need of solar energy to World and India.                         [8]

b) Describe briefly the different methods of producing hydrogen from solar energy.        [8]

SECTION – II

Q7) a) Write a brief note on biomass and biogas.                                                [9]

b) What is photobioreactor? Explain types and advantages of each. [9]

OR

Q8) a) Define biodiesel and the properties of biodiesel.                                    [9]

b) Explain in detail the steps involved in the production of biodiesel from microalgae.    [9]

Q9) a) Describe the common methods for alcohol production.                        [8]

b) Explain the concept of biorefinery and its economics.                                  [8]

OR

QIO) Describe the different pretreatment processes undertaken for ethanol production from lignocellulosic materials.                                                                            [16]

Qll) a) Comment on Hydrogen as fuel of the future.                                          [8]

b) Explain the factors affecting biogas production.                                                                                     [8]

OR

Q12) What are the method for maintaining biogas production.          [16]

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