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EndsemNov 20242019 patternBE Mech

Energy Engineering SPPU Endsem Question Paper Nov 2024

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

Open the PDFMost repeated Energy Engineering questions
Subject code
402049
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2024
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6354]-626

Printed for: B.E. (Mechanical)

Instructions to the candidates

  1. Attempt Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right side indicate full marks.
  4. Assume suitable data wherever necessary and mention the same clearly.
  5. Use of steam tables, Mollier chart and calculator is allowed.

Questions

  1. Q1

    1. a)

      Discuss the main factors considered for site selection of Diesel Power Plants. Also Elaborate the advantages and limitations of Diesel Power Plants.

      [8]
    2. b)

      Draw the hydrograph and flow duration curve for the following data: Month Inflow(m 3 /s) Month Inflow(m 3 /s) Jan. 1600 July 3000 Feb. 1200 Aug. 3000 March 800 Sept. 1600 April 800 Oct. 800 May 800 Nov. 800 June 1200 Dec. 1000 Determine : i) Storage capacity for a constant demand of 1100 m 3 /s. ii) Number of additional months this storage capacity can be utilized if there is no rain fall. 2

      Also asked:Nov 2025

      [9]

  2. Q2

    1. a)

      What do you mean by nuclear fission? Discuss in brief. Elaborate functions of following elements of nuclear reactor i) Moderators ii) Control Rods

      Also asked:Nov 2025

      [8]
    2. b)

      Describe the Boiling Water Reactor (BWR) with following points. i) Labelled Diagram ii) Construction and working iii) Material for different elements of reactor iv) Limitations

      Also asked:Nov 2025

      [9]

  3. Q3

    1. a)

      Discuss concept of thermal efficiency and work ratio of Gas Turbine cycle. How Intercooling technique helps to improve thermal efficiency of Gas Turbine cycle? Elaborate with neat schematic and T-s diagram.

      Also asked:Nov 2025

      [9]
    2. b)

      The air enters the compressor of a gas-turbine power plant at 1 bar, 30 degrees Celsius and 162 tons per hour. The maximum cycle temperature, pressure is 650 degrees Celsius, 5 bar respectively. The two stage expansion with reheating pressure of 2.24 bar is used in the plant. In the reheater gas is heated up to maximum cycle temperature. The isentropic efficiency of compressor, first turbine, and second turbine is 80%, 85%, 90% respectively. Take adiabatic index for air gas as 1.4,1.33 respectively. Take specific heat for air, gas as 1 KJ/Kg-K, 1.15 KJ/Kg-K respectively. Neglect mass flow rate of fuel. Draw cycle arrangement and T-s diagram and determine i) The thermal efficiency of cycle ii) Power output of plant in MW

      Also asked:Nov 2025 ·May 2024 ·Nov 2023 ·May 2023

      [9]

  4. Q4

    1. a)

      What do you mean by cogeneration? Why Cogeneration is needed in gas power cycle? Explain Cogeneration in gas power cycle with simple block diagram and state its advantages.

      Also asked:May 2025

      [9]
    2. b)

      Discuss the Integrated Gasification Combined Cycle (IGCC) plant with cycle arrangement, T-s diagram, merits and demerits.

      Also asked:Nov 2025 ·May 2023

      [9]

  5. Q5

    1. a)

      State the main functions of the circuit breaker. What are different types of the same? Discuss working of any one circuit breaker with a neat sketch.

      Also asked:Nov 2025 ·Nov 2023 ·May 2023

      [9]
    2. b)

      What are different methods thermal energy storage? Explain anyone with simple diagram. Discuss the principles of energy management with storage systems. 3

      Also asked:Nov 2025 ·May 2025 ·May 2024 ·Nov 2023 ·May 2023

      [8]

  6. Q6

    1. a)

      The equipment in a power station costs Rs. 15,60,000 and has a salvage value of Rs. 60,000 at the end of 25 years. Determine the depreciated value of the equipment at the end of 20 years on the following methods: i) Straight line method ii) Diminishing value method iii) Sinking fund method at 5% compound interest annually

      [9]
    2. b)

      Define and write the equation for the following : i) Diversity factor ii) Demand factor iii) Plant capacity factor iv) Plant utilization factor

      [8]

  7. Q7

    1. a)

      Discuss Low temperature flat plate collector solar power plant with a labelled diagram, working fluid and material of component, merits and demerits.

      [9]
    2. b)

      Elaborate superheated steam geothermal energy based system with following points i) Labelled Diagram ii) Construction and working iii) Advantages iv) Limitations

      [9]

  8. Q8

    1. a)

      Discuss Anderson Ocean Thermal Energy system with following points i) Labelled Diagram ii) Construction and working iii) Advantages iv) Limitations

      [9]
    2. b)

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

      [9]