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BEE Energy Solved Question Paper 2024 : Energy : Exam type

9 pages, 82 questions, 0 questions with responses, 0 total responses,

Rakesh Yadav
Jaypee University of Engineering and Technology (JUET), Guna

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Question bank for Energy Managers & Energy Auditors Chapter 2.7: Cogeneration Part-I: Objective type questions and answers 1. In cogeneration, the system efficiencies can go up to -----a) 70% 2. 3. b) 80% a) heat and power b) steam and condensate c) Mechanical Energy and power d) All the above In the context of cogeneration turbine, thermodynamic process taking place due to: 6. 7. b) expansion c) condensation d) all the above Rankine cycle is related to a) boiler 5. d) 60% Cogeneration is the simultaneous generation of ------------. a) contraction 4. c) 90% b) steam turbine c) condenser d) all the above Find the thermodynamic cycle not related to cogeneration. a) Brayton cycle b) Rankine cycle c) Otto cycle d) Bell-Coleman cycle In a combined cycle power plant consisting of gas turbine and waste heat boiler, the exhaust gas temperature is ____. a) around 150 C b) around 500 C c) around 300 C d) around 400 C Match the following: Cogeneration system Over all efficiency (%) 1. Reciprocating engine i) 70 85 2. Gas turbine ii) 60 80 3. Extraction-condensing steam turbine iii) 75-85 4. Back pressure steam turbine iv) 84-92 1-iii; 2-i; 3-ii, 4-iv 8. 9. _____ type of steam turbines have high power to heat ratio a) back pressure turbine b) gas turbine c) extraction condensing turbine d) None of the above In a glass industry, exhaust gas from the glass melting furnace is used for power generation by installing steam boiler and turbine. Then the type of co-generation is called as: a) gas turbine b) diesel generator 2.7 Cogeneration - revised (table format) c) topping cycle d) bottom cycle 49

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