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Water Supply And Sanitation Engineering (WSSE) important questionsMost repeated in SPPU papers

These 19 questions appeared in more than one SPPU Water Supply And Sanitation Engineering paper we have: 7 papers, from May 2023 to Aug 2025. The most-asked come first. Each one links to the papers it was asked in.

All WSSE papers and notes

Repeated questions

Endsem questions (18)

  1. 4×asked

    Explain with neat sketch two pipe system.

    May 2025 ·May 2024 ·Nov 2023 ·May 2023

  2. 3×asked

    A filter unit is of size 5m × 10 m. After filtering 9000 m 3 /day in 24 hr period, the filter is back washed for 30 minutes at the rate of 10 lit/m 2 /sec for 10 minutes. Compute the average filtration rate, quantity and percentage of treated water used in washing and the rate of wash water flow in each trough. The unit has 4 collecting troughs.

    May 2025 ·Nov 2023 ·May 2023

  3. 3×asked

    What is Super Chlorination? Find the dose of chlorine and chlorine demand for water quantity of 50,000 m 3 /day. Chlorine used is 20 kg per day and residual chlorine after 10 minutes of contact time is 0.2 mg/lit.

    May 2025 ·Nov 2023 ·May 2023

  4. 3×asked

    With sketch explain the one pipe system.

    May 2024 ·Nov 2023 ·May 2023

  5. 2×asked

    Calculate storage capacity and dimensions of the tank to store rain water for the given data: Terrace area=300 m 2 , average annual rainfall =720 mm Runoff coefficient= 0.8, Assume L/B= 2, D=2m

    May 2025 ·May 2023

  6. 2×asked

    Explain in detail: Rapid Mixer and flocculator.

    May 2025 ·May 2023

  7. 2×asked

    Explain in detail: various methods of desalination of water with neat sketch.

    May 2025 ·May 2024

  8. 2×asked

    Discuss in details various mechanisms involved in the filtration process.

    Nov 2023 ·May 2023

  9. 2×asked

    Enlist various methods of disinfection. Explain any two methods in detail.

    Nov 2023 ·May 2023

  10. 2×asked

    Explain in detail: fluoridation & deflouridation of water.

    Nov 2023 ·May 2023

  11. 2×asked

    Explain in detail: operational problems of RSG filter. (Min 03 to be explained) 2

    Nov 2023 ·May 2023

  12. 2×asked

    Explain in detail: Super chlorination, Dechlorination, Prechlorination

    Nov 2023 ·May 2023

  13. 2×asked

    What is Flocculation? State factors affecting the flocculation.

    Nov 2023 ·May 2023

  14. 2×asked

    Write a detailed note on detection and prevention of leakage. 3

    Nov 2023 ·May 2023

  15. 2×asked

    Write a note on: 1) Gate valve, 2) Pressure relief valve

    Nov 2023 ·May 2023

  16. 2×asked

    Write a note on: 1) Reflux valve, 2) Air relief valve

    Nov 2023 ·May 2023

  17. 2×asked

    Write difference between continuous and intermittent system. (Min 06 points of comparison are expected)

    Nov 2023 ·May 2023

  18. 2×asked

    Write in detail: any 02 methods of water distribution. Support your answer with a suitable sketch.

    Nov 2023 ·May 2023

Insem questions (1)

  1. 2×asked

    Enlist the data to be collected for water supply scheme.

    Aug 2025 ·Oct 2023

Questions count as repeated when their wording matches closely across papers. Numericals that depend on a figure are left out, since the figure changes from paper to paper.