UPTU Old Question Papers Non Conventional Energy Resources and Utilisation 2007

UPTU Old Question Papers

B Tech 8th Semester

Non Conventional Energy Resources and Utilisation 2007

 

Note : Attempt all questions.

1. Attempt any two of the following :

(a) Discuss about Indian and global energy resources. Also describe the future of non-conventional energy resources in India.

(b) Briefly discuss about the energy demand in India. Write a short note of energy stored in biomass.

(c) Write short notes on the following :

(i) Magnetohydrodynamics

(ii) Energy-planning.

 

2. Answer any two of the following :

(a) What are the main criteria of selecting site of wind mill ? What is magnus effect ?

(b) Write the working principle of Darriens machine. Discuss briefly, about aerobic bio-conversion process.

(c)             Show that the maximum thermal efficiency of a thermionic generator is approximately given by :T –T n – c Imax Tc P + 2 (?Vc (zVa Where, Pe = P„ = P :, the symbols having their usual names.

 

3. Answer any four of the following :

(a) Briefly discuss the working principle of Solar – Thermal Central Receiver Systems.

(b) Write a short note on Terrestrial Solar Radiation.

(c) Briefly discuss solar pond. What do you mean by solar cell ?

(d) Write a short note on satellite solar – power system.

(e) Briefly discuss about electrochemical storage and pumped hydro storage system.

(f)  Determine the following :

(i) Solar azimuthal angle

(ii) Zenithal angle

(iii) Latitude angle

(iv) Declination angle

(v) Hour angle.

 

4. Answer any two of the following :               

(a) Briefly discuss thermionic emissions. What do you mean by theoretical and actual efficiency of thermionic systems ?

(b) What do you mean by reversible cell ? Discuss about different fuel cells. How do you calculate efficiency of cells ?

(c) Write the work function of a metal. Describe constructional details of a basic thermionic generator.

 

5. Answer any four of the following :

(a) What are the properties of thermoelectric materials ?

(b) What is the working principle of thermoelective plant generators ?

(c) Briefly discuss hot springs and steam ejectors.

(d) What are the essential criteria of selecting site for Geothermal power plant ?

(e) briefly discuss OTEC cycle.

(f)  A 2-m wave has a 6s period and occurs at the surface of water 100 m deep. Find the wavelength, the wave velocity, the horizontal and vertical semiaxes for water motion of the surface, and the energy and power densities of the wave. Water density = 1025 kg/m3.

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