Download DBATU B-Tech 1st Year 2019 Mid Semester BTES105 Energy and Environmental Engineering Question Paper

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DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE

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Midsemester — October 2019

Course: B. Tech in Civil and Mechanical Engineering

Subject Name: Energy and Environmental Engineering

Max Marks: 20 Date: 09/10/2019

Sem: I

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Subject Code: BTES105

Duration: 1 Hr.

Instructions to the Students:

1. Assumptions made should be clearly mentioned.
2. All the questions are compulsory.

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Q.1 Solve all the questions: (Level/CO) Marks 6

1. PV cell gets energy from......... in light. (6(07)
   1. Positrons
   2. Photons
   3. Neutrons
   4. Protons

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2. Steam is converted to water in............ COo1
   1. Condenser
   2. Combustor
   3. Boiler
   4. Turbine

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3. Thermoelectric generators working is based on.... CO3
   1. Seeback effect
   2. Gravity effect
   3. Pressure effect
   4. Surface effect

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4. Compressor in gas turbine power plant is driven by..... Co1
   1. Motor
   2. Combustor
   3. Boiler
   4. Turbine

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5. Which of the following is not a renewable energy source? (6(07)
   1. OTEC
   2. Sun
   3. Coal
   4. Biomass

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6. Reaction that happens during preparation of biogas is......... (6(07)
   1. Aerobic
   2. Anaerobic
   3. Fusion
   4. Fission

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Q.2 Solve Any Two of the following. 3X2

1. Write a short note on Solar Energy collectors. (6(07)
2. Explain the role of Boiler in steam power plant. COo1
3. Write a short note on Geothermal Power. CO2

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Q.3 Solve Any One of the following. 8

1. What is Biogas? Explain the generation and advantages of Biogas with suitable CO2 diagram.
2. Explain Hydroelectric power-plant in detail with suitable diagram, working, advantages and disadvantages. COo1