What is meant by renewable energy sources? Explain in brief these energy resources with special reference to Indian context.
[7 marks]Define following terms with neat sketches: beam radiation, air mass, solar tilt angle, day length, declination angle.
[7 marks]Describe with neat sketch the construction and working of solar pond.
[7 marks]Calculate the local solar time and declination at a location latitude 23o15’N, Longitude 77o30’Eat 12:30 IST on June 19, 2010. Equation of time correction is given from standard table or chart is 1’01”.
[7 marks]Which instruments are used for solar radiation measurements? Explain construction and working of Pyranometer.
[7 marks]Prove that for a horizontal axis propeller type wind mill. Pmax= 0.595 Ptotal
[7 marks]Explain construction and working of horizontal axis wind turbine with neat sketch.
[7 marks]Describe the main Considerations in selecting site for wind energy conversion system.
[7 marks]Atmospheric air having the wind velocity of 20 m/s has the density of 1.22 kg/m3 at high altitude where the wind mill is installed. The rotor diameter is 20 m and it runs at 60 rpm. The actual efficiency of wind mill is 35%. Find the actual power produced, the maximum torque and axial thrust on turbine shaft.
[7 marks]Describe a Binary cycle system for liquid dominated system.
[7 marks]Describe the closed cycle OTEC power plant and state its advantages over open cycle system.
[7 marks]Explain the constructional detail and working of KVIC digester.
[7 marks]Discuss the factors which affect the bio gas production in detail.
[7 marks]Describe an MHD open cycle system. What are the main advantages of an MHD power generation?
[7 marks]Define the term ‘energy management’ write note on energy audit classify the energy audit and discuss them in brief.
[7 marks]Write short note on: Tidal power plant with double basin system.
[7 marks]How are fuel cells classified? Explain any one with neat sketch.
[7 marks]