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InsemOct 20222019 patternBE Civil

Air Pollution and Control (APC) SPPU Insem Question Paper Oct 2022

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated APC questions
Subject code
401004A
Pattern
2019 pattern
Exam
Insem
Session
Oct 2022
Max. marks
30
Time
1 Hour
Semester
VII
Paper code
Oct-22/BE/Insem-35

Printed for: B.E. (Civil)

Instructions to the candidates

  1. Answer Q1 or Q2, and Q3 or Q4.
  2. Figures to the right indicates full marks.
  3. Draw neat figures wherever necessary.

Questions

  1. Q1

    1. a)

      Classify air pollutants based on sources and origin with examples.

      [4]
    2. b)

      Calculate carbon footprint for house in tons per year for the consumption of following resources. Resources Consumption per year CO 2 emission factor Electricity 850 KWh 0.85kg/KWh Petrol 340 liters 2.296kg/l Diesel 220 liters 2.653 kg/l LPG 168kg 2.983 kg/l

      [6]
    3. c)

      Explain the important provisions made in Environment (Protection) Act 1986.

      Also asked:Aug 2025

      [5]

  2. Q2

    1. a)

      List the zones of atmosphere? Explain Troposphere.

      [4]
    2. b)

      Calculate the carbon footprint in tons per year for a vehicle that has travelled for 50 km per day. The vehicle requires 8.5 liter of petrol for 100 km. Assume the CO 2 emission rate of 2.296 kg/L.

      [6]
    3. c)

      Define air quality index (AQI) and explain the significance of it. 2 BE/Insem-35

      Also asked:Aug 2025 ·Sep 2024

      [5]

  3. Q3

    1. a)

      Explain radiation and subsidence inversion.

      [4]
    2. b)

      An industry utilizes 0.3 ML (million liters) of oil fuel per month. It has also been estimated that for every 1 ML fuel oil burnt in the factory, per year, the quantities of various pollutants emitted are given as: PM = 2.9 t/yr, SO 2 = 60 t/yr, NO x = 8 t/yr, HC = 0.4 t/yr, CO =0.5 t/yr. Calculate height of chimney required to be provided for safe dispersion of pollutants assuming 300 working days in a year.

      [6]
    3. c)

      Explain Coning plume behaviour with the help of neat sketch.

      [5]

  4. Q4

    1. a)

      Write the Gaussian model equation and explain each term of it.

      [4]
    2. b)

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

      [6]
    3. c)

      Define stability of the atmosphere. Explain various stability conditions. 

      [5]