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EndsemMay 20232019 patternBE Civil

Air Pollution and Control (APC) 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 APC questions
Subject code
401004 (A)
Pattern
2019 pattern
Exam
Endsem
Session
May 2023
Max. marks
70
Time
2½ Hours
Semester
VII
Paper code
[6004]-460

Printed for: B.E. (Civil)

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Figures to the right side indicate full marks.
  3. Draw neat figures wherever necessary.
  4. Assume suitable data if necessary.
  5. Use of scientific calculators is allowed.

Questions

  1. Q1

    1. a)

      Explain the purpose of ambient air and stack gas sampling.

      Also asked:Nov 2024 ·May 2024 ·Nov 2023

      [6]
    2. b)

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

      [6]
    3. c)

      List the devices and methods used for air pollutant sampling.

      [6]

  2. Q2

    1. a)

      Explain with a neat sketch location of sampling ports and traverse points in case of stack sampling.

      Also asked:May 2025 ·May 2024

      [6]
    2. b)

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

      [6]
    3. c)

      Explain with a neat sketch working of high volume sampler.

      Also asked:May 2025 ·Nov 2024 ·Nov 2023

      [6]

  3. Q3

    1. a)

      Define emission factor and relate its significance in preparation of emission inventory.

      Also asked:May 2024

      [6]
    2. b)

      Describe the steps involved in preparation of gridded emission inventory.

      [6]
    3. c)

      Compare the physical, statistical and deterministic air quality models.

      Also asked:Nov 2024 ·May 2024

      [5]

  4. Q4

    1. a)

      Enumerate and discuss the basic components and importance of air quality modelling.

      Also asked:May 2024

      [6]
    2. b)

      State the basic equation of emission estimation and describe its terminologies.

      Also asked:Nov 2024 ·May 2024 ·Nov 2023 ·Nov 2022

      [6]
    3. c)

      Explain activity data in emission estimation with examples. 2

      Also asked:Nov 2022

      [5]

  5. Q5

    1. a)

      Describe the control of air pollution at source by process modification, change of raw material and equipment modification.

      Also asked:May 2024

      [6]
    2. b)

      Determine the migration velocity for an existing ESP having collection plate area of 110 m 2 , gas flow rate 2.5 m 3 /s and collection efficiency 99.5%.

      [6]
    3. c)

      Explain the measures to be taken to control gaseous air pollutants.

      Also asked:May 2024

      [6]

  6. Q6

    1. a)

      State and explain the carbon sequestration.

      [6]
    2. b)

      Find the collecting plate area and number of plates to be used in a horizontal flow single stage Electrostatic precipitator handling an average gas flow of 2.5 m 3 /s from a pulverized coal fired boiler. Consider the plate of 4 m wide and 5.2 m high. The required collection efficiency of ESP is 98%. Take the drift velocity as 12 cm/s.

      [6]
    3. c)

      Describe the factors responsible for selection of particulate control equipment.

      Also asked:Nov 2024 ·May 2024 ·Nov 2022

      [6]

  7. Q7

    1. a)

      Relate improved ventilation to indoor air quality.

      Also asked:May 2024

      [5]
    2. b)

      Describe the use of plants for control of indoor air pollution.

      [6]
    3. c)

      Discuss the causes and mitigation technologies for indoor air pollution.

      Also asked:May 2024 ·Nov 2022

      [6]

  8. Q8

    1. a)

      Explain sick building syndrome and its solution.

      Also asked:May 2025 ·May 2024 ·Nov 2022

      [5]
    2. b)

      Explain the radon removal technique.

      Also asked:May 2024

      [6]
    3. c)

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

      [6]