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EndsemMay 20232019 patternBE Mech

Energy Audit & Management (EAM) SPPU Endsem Question Paper May 2023

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated EAM questions
Subject code
402050B
Pattern
2019 pattern
Exam
Endsem
Session
May 2023
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6004]-619

Printed for: B.E. (Mechanical Engineering)

Instructions to the candidates

  1. Answer Q1 or Q2, Q3 or Q4, Q5 or Q6, Q7 or Q8
  2. Figures to the right side indicate full marks.
  3. Use of Calculator is allowed.
  4. Assume Suitable data if necessary.

Questions

  1. Q1

    1. a)

      Explain ‘Simple Payback Period’ method of financial analysis with its advantages and limitation.

      Also asked:Nov 2025 ·May 2025

      [6]
    2. b)

      Explain the term Time Value of Money.

      [6]
    3. c)

      Explain various types of cash flows for an investment.

      Also asked:Nov 2023

      [5]

  2. Q2

    1. a)

      Describe the factors influencing costing of steam, compressed air, natural gas and Electricity.

      Also asked:Nov 2025 ·Nov 2023

      [8]
    2. b)

      A sum of Rs. 4,00,000/- is deposited in a bank at the beginning of a year. The bank pays 5% interest annually. How much money is in the bank account at the end of tenth year, if no money is withdrawn?

      Also asked:Nov 2024

      [5]
    3. c)

      Write Notes on Return on Investment.

      [4]

  3. Q3

    1. a)

      Explain the energy saving opportunities in the compressed air system.

      Also asked:May 2025

      [8]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [10]

  4. Q4

    1. a)

      Enlist the types of stream traps and explain any two with a neat sketch.

      Also asked:Nov 2025 ·May 2025 ·Nov 2023

      [8]
    2. b)

      Calculate pump efficiency from the data given : pump flow is 0.40 m 3 /s, power absorbed : 325 KW, suction head+1m, Delivery head 55m, motor efficiency 88%, type of drive: direct coupled, density of water 996 kg/m 3 .

      Also asked:Nov 2025 ·Nov 2023

      [10]

  5. Q5

    1. a)

      What are advantages of power factor (PF) improvement in electrical system? Explain how PF is improved?

      Also asked:Nov 2025

      [10]
    2. b)

      Explain various energy saving opportunities in electrical system?

      Also asked:Nov 2024

      [8]

  6. Q6

    1. a)

      List the types of motors and explain different losses occurring in electric motors.

      Also asked:Nov 2025

      [8]
    2. b)

      Explain the following terms in brief : i) Lux ii) Colour rendering index iii) Ballast iv) Luminance v) Luminous efficiency

      [10]

  7. Q7

    1. a)

      Explain the various types of recuperators with schematic sketch.

      [9]
    2. b)

      What are benefits of waste heat recovery? Explain the concept of heat wheel.

      Also asked:May 2024

      [8]

  8. Q8

    1. a)

      How does a shell and tubes heat exchanger work? Give typical examples.

      [8]
    2. b)

      Write notes on : i) Heat wheel ii) Heat pipes 

      [9]