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EndsemNov 20222019 patternBE Civil

Air Pollution and Control (APC) SPPU Endsem Question Paper Nov 2022

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
401004A
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2022
Max. marks
70
Time
2½ Hours
Semester
VII
Paper code
[5927]-336

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 indicates 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)

      State the objectives of ambient air monitoring.

      Also asked:May 2024

      [6]
    2. b)

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

      [6]
    3. c)

      Discuss the components of air quality standards.

      Also asked:May 2024

      [6]

  2. Q2

    1. a)

      Discuss basis and statistical considerations of sampling sites.

      Also asked:May 2024

      [6]
    2. b)

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

      [6]
    3. c)

      Compare national ambient air quality standards, 2009 and WHO air quality guidelines 2021.

      Also asked:May 2024

      [6]

  3. Q3

    1. a)

      Explain the role of emission inventory in air quality management.

      Also asked:Nov 2025 ·May 2024

      [6]
    2. b)

      Classify air quality models based on time period, pollutant type and level of sophistication.

      Also asked:May 2024

      [6]
    3. c)

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

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

      [5]

  4. Q4

    1. a)

      Discuss the utilization of emission inventory.

      [6]
    2. b)

      Deliberate the strengths and limitations of AERMOD model USEPA.

      Also asked:Nov 2024 ·Nov 2023

      [6]
    3. c)

      Explain activity data in emission estimation with examples. 2

      Also asked:May 2023

      [5]

  5. Q5

    1. a)

      Explain the natural self-cleansing properties of environment in respect of air pollution control.

      [6]
    2. b)

      Calculate the minimum size of the particle that will be removed with 100 percent efficiency from gravitational settling chamber under the following conditions. (i) Air: Horizontal velocity - 1.2 m/s, temperature — 75ºC (ii) Particle: SP. Gr. — 1.5 (iii) Chamber: Length — 10 m, height — 1.5 m (iv) At 75°C, viscosity of air —2.1×10 –5 kg/ms.

      Also asked:Nov 2024 ·Nov 2023

      [6]
    3. c)

      Describe the factors responsible for selection of particulate control equipment.

      Also asked:Nov 2024 ·May 2024 ·May 2023

      [6]

  6. Q6

    1. a)

      State the principle mechanism, advantages and applications of cyclone as a particulate control equipment.

      Also asked:May 2024

      [6]
    2. b)

      Find the collection efficiency of a horizontal flow, single stage electrostatic precipitator consisting of two sections formed by plates 4 m wide and 6 m high on 25 cm centers, handling a gas flow of 2.5 m 3 /s. Assume that a migration velocity is 12 cm/s.

      [6]
    3. c)

      Discuss the measures taken to control the emissions from vehicles.

      Also asked:May 2024

      [6]

  7. Q7

    1. a)

      List and explain the sources of contaminants in indoor air pollution.

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

      [5]
    2. b)

      Explain sick building syndrome and its solution.

      Also asked:May 2025 ·May 2024 ·May 2023

      [6]
    3. c)

      Discuss the causes and mitigation technologies for indoor air pollution.

      Also asked:May 2024 ·May 2023

      [6]

  8. Q8

    1. a)

      List and explain the factors affecting indoor air quality.

      [5]
    2. b)

      Discuss the practical considerations using portable and in-duct air cleaners.

      [6]
    3. c)

      Explain the sources and remedial measures to control odour. 

      Also asked:May 2024

      [6]