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EndsemMay 20252019 patternTE Civil

Water Supply And Sanitation Engineering (WSSE) SPPU Endsem Question Paper May 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated WSSE questions
Subject code
301002
Pattern
2019 pattern
Exam
Endsem
Session
May 2025
Max. marks
70
Time
2½ Hours
Semester
V
Paper code
[6403]-2

Printed for: T.E. (Civil Engineering)

Instructions to the candidates

  1. Attempt 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. Use of calculator is allowed.
  4. Assume Suitable data if necessary.
  5. Neat diagrams must be drawn wherever necessary.

Questions

  1. Q1

    1. a)

      Explain in detail: Rapid Mixer and flocculator.

      Also asked:May 2023

      [6]
    2. b)

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

      [6]
    3. c)

      Discuss in detail filtration process in Rapid Sand Gravity filter with neat sketch. [4+2=6]

  2. Q2

    1. a)

      Explain in detail diffused double layer theory of coagulation with neat sketch. [4+2=6]

    2. b)

      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.

      Also asked:Nov 2023 ·May 2023

      [6]
    3. c)

      Discuss in detail coagulation by natural coagulant Moringa oleifera stating its advantages and disadvantages over Alum.

      [6]

  3. Q3

    1. a)

      Explain in detail following water softening processes: i) Lime soda process ii) Zeolite process

      [6]
    2. b)

      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.

      Also asked:Nov 2023 ·May 2023

      [6]
    3. c)

      What do you mean by disinfection? Discuss the factors affecting efficiency of disinfection. Enlist 4 disinfectants used in water treatment plant. [1+2+2=5] 2

  4. Q4

    1. a)

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

      Also asked:May 2024

      [6]
    2. b)

      Explain in detail: Break Point chlorination with neat sketch. [4+2=6]

    3. c)

      Write with a neat sketch: a detailed note on Ion exchange. [2+3=5]

  5. Q5

    1. a)

      Write in detail: Methods and Components of domestic rain water harvesting with a suitable sketch.

      [8]
    2. b)

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

      [10]

  6. Q6

    1. a)

      Explain in detail: Requirements of good water distribution system.

      [6]
    2. b)

      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

      Also asked:May 2023

      [6]
    3. c)

      List down various leakage detection systems. Write a detailed note on any one leakage detection system. [2+4=6]

  7. Q7

    1. a)

      Explain in detail with neat sketch: Packaged WTP for swimming pools. [2+4=6]

    2. b)

      Write a note on: i) Air valve, ii) Sluice valves

      [6]
    3. c)

      Explain with neat sketch two pipe system.

      Also asked:May 2024 ·Nov 2023 ·May 2023

      [5]

  8. Q8

    1. a)

      Explain following initiatives taken by Government in water infrastructure. [3+3=6] i) Amrut mission ii) Jal Jeevan mission

    2. b)

      Explain in detail requirement of water meters and state their types. [3+2=5]

    3. c)

      Write a note on: i) Drain valve, ii) Vent pipe 

      [6]