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CE-702 (B) RGPV B.Tech

Environmental Engg‑II (EE)

Previous year papers and the official syllabus are free to read, no account needed.

Previous Year Papers

4 papers, latest Dec 2025

Free
See all 4 papers

Syllabus, notes and important questions for CE-702 (B)

Syllabus units

Topics as the official RGPV syllabus lists them.

Unit 1 Unit operations for waste‑water treatment 2 topics
  • Theory and design of preliminary treatment such as screens, grit chamber, sedimentation and chemical clarification
  • Role of micro‑organisms in biological treatment
Unit 1 notes
Unit 2 Biological Treatment of waste‑water 5 topics
  • Methods of Biological Treatment (Theory & Design) – Trickling Filter
  • Activated Sludge process (ASP)
  • Oxidation ditch
  • Septic tank & Imhoff tank
  • Theory of sludge
Unit 2 notes
Unit 3 Advanced Waste‑water treatment 5 topics
  • Diatomaceous earth filters
  • Ultrafiltration
  • Adsorption by activated carbon
  • Phosphorus removal
  • Nitrogen removal
Unit 3 notes
Unit 4 Introduction of Air pollution 3 topics
  • Definition, sources, classification and characterization of air pollutants
  • Effects of air pollution on health, vegetation & materials
  • Photochemical smog
Unit 4 notes
Unit 5 Air pollution chemistry 3 topics
  • Meteorological aspects of air pollution dispersion; temperature lapse rate and stability
  • Wind velocity and turbulence; plume behaviour
  • Dispersion of air pollutants; the Gaussian Plume Model
Unit 5 notes
Read the full syllabus

Exam insights

Counted from 4 past CE-702 (B) papers.

Marks asked per paper, by unit

  • Unit 1 Unit operations for waste-water treatment 17 marks
  • Unit 2 Biological Treatment of waste-water 34 marks
  • Unit 3 Advanced Waste-water treatment 18 marks
  • Unit 4 Introduction of Air pollution 30 marks
  • Unit 5 Air pollution chemistry 8 marks

Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.

Asked again and again

  1. Design of standard-rate trickling filter: depth/volume/diameter from hydraulic and organic loadings and efficiency by NRC formula

    Asked 3 times: 2025, 2024, 2020

  2. Explain the need for nitrogen removal from wastewater/effluent and the biological nitrification-denitrification processes/methods for nitrogen removal.

    Asked 3 times: 2024, 2023, 2020

  3. Differentiate between attached growth and suspended growth processes and list treatment techniques under each, including preliminary vs primary vs secondary treatment

    Asked 2 times: 2025

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