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2003 Course Energy Conservation (Elective I)

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Total No. of Questions :12] [Total No. of Pages : 3 P1564 [3764]-327 B.E (Chemical Engineering) II ENERGY CONSERVATION (2003 Course) (Elective - I) Time :3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answers any three questions from each section. 2) Neat diagrams must be drawn wherever necessary. SECTION - I Q1) a) Describe the method of solar drying? Discuss the factors considered for the design of solar dryer? [10] b) Wind at 1 standard atmospheric pressure and 15 C has a velocity of 15 m/s Calculate : i) The total power density in the wind stream. ii) The maximum obtainable power density. iii) A seasonally obtainable power density. iv) The total power. v) The torque and axial thrust. Given : Turbine diameter : 120m, and turbine operating speed = 40rpm at maximum efficiency. Propeller type wind turbine is considered. [8] OR Q2) a) b) Q3) a) Enlist the various methods of solar energy storage. Explain in detail thermal energy storage system. [10] Discuss the tidal and geothermal energy in detail? [8] Explain the role, types design and material of absorption plate in solar flat plate collector. [8] P.T.O. b) Explain the various zones of gasification along with temperature; Explain its significance? [8] OR Q4) a) b) Explain the various nuclear reactions for energy generation? [6] What are different methods of biochemical energy generation? Discuss their advantages and disadvantages? [10] Q5) What are the types of recuperators for waste heat recovery? Explain any two in detail? [16] OR Q6) a) Define heat regeneration; Explain the principle of heat generation with suitable example? [8] b) Incineration is the last resource in waste management. Discuss the incinerator is a energy recycle device. [8] SECTION - II Q7) a) b) Explain condensate heat recovery reduces boiler fuel consumption? Describe with neat sketches different condensate recovery systems?[10] Explain energy performance assessment of Heat exchanger? [8] OR Q8) a) Justify that steam trap are energy conservation devices. Explain [8] with the help of proper diagram. b) Explain the co-generation system with the help of different types of cycles. [10] Q9) a) Justify that pressure reducing valves (PRV) are energy conservation devices. Explain with the help of proper diagram. [8] b) Explain the energy conservation Act of Gov. of India. [8] OR Q10)a) Justify that steam economisers in a boiler are energy conservation devices. Explain with the help of proper diagram. [8] b) Explain the consumption and conservation of energy in cement industry? [8] [3764]-327 2 Q11) Distinguish between Macro Audit and Micro Audit . Write down the steps followed for carrying out energy audit of plant along with detailed flow chart? [16] OR Q12) Write short notes on (Any two) : a) Sanky diagram and it s use. b) Fluidized bed combustion. c) Optimizing the energy input requirement. #### [3764]-327 3 [16]

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