Uttar Pradesh Technical University (UPTU) 2006 B.Tech Electronics and Communications Engineering non conventional energy resources( 2005-06) - Question Paper

B.Tech.
7th Semester Examination,2005-2006
Non Conventional Energy Resources(OE-01)

Note:Attempt ALL ques..All ques. carry equal marks.

Q.1.Attempt any 4 parts of the following:

(a)Explain why direct energy conversion processes are becoming more important as compared to

conventional generation.

(b)List different non conventional energy resources.Give their availability,relative

merits,demerits and their classification.

(c)How can solar energy be converted into electrical energy?Give a diagram showing elements

of such a plant.

(d)Discuss principle of a solar collector.How collector coating can be used to improve the

performance of a collector?

(e)Explain thermal energy storage for solar heating and cooling.What are limitations of

solar plants?

(f)Explain MTI radar and provide its limitations.

Q.2.Attempt any 4 parts of the following:

(a)What do you mean by dry,wet and hot water geothermal systems?Discuss the field of

applications of these systems.

(b)What are the difficulties in the large scale utilization of geothermal energy?What

developments could increase the role of geothermal energy in future?

(c)Write short note on vapour turbine cycle.

(d)Discuss principle of MHD generation.

(e)Discuss the future prospects of solar energy use.

Q.3.Attempt any 2 parts of the following:

(a)What are the parameters which govern the power output of an MHD generator?Give

approximate values of these parameters which can be achieved?Why it is necessary to add seed

material to the gas?

(b)Derive equations for the voltage and power output of an MHD generator.An MHD generator

has subsequent parameters,plate are=0.2m^2.
Distance ranging from plates=0.4m
Flux density=2wb/m^2
avg. gas velocity=800 m/s
Gaseous conductivity=10mho/m
compute the open circuit voltage and maximum power output.

(c)Discuss the advantages,limitations and future prospects of fuel cells.

Q.4.Attempt any 2 parts of the following:

(a)Explain the essential features of a hydroxycell.Draw a suitable diagram of this cell and

provide the reactions taking place at the electrodes.

(b)Explain the thermoelectrical and thermoionic conversion principle.Descibe the devices

used for electrical generation.

(c)Write a short note on Sunderban tidal power scheme.


Q.5.Attempt any 4 parts of the following:

(a)Write a short note on 'Ocean thermal Energy'.

(b)What are the special issues in construction of barrage for tidal scheme.

(c)Explain availability and conversion theory of a biogas plant.

(d)Explain the memorandum theory in wind power generation.Give the classification of rotor

used for wind generation.

(e)What prohibits large scale utilization of wind power for electricity generation?

Earning:   Approval pending.