Sources of Water MCQ – Wells MCQ – Tubewells MCQ – Environmental Engineering

21. Water free from impurities can be obtained from

  1. Lakes
  2. Reservoirs
  3. Rivers
  4. Springs
Answer
Answer. d

22. The yield of surface stream may be obtained by

  1. recuperating test
  2. pumping test
  3. chemical method
  4. all of these
Answer
Answer. c

23. The yield of a surface stream may be obtained by

  1. cross-section velocity method
  2. stream gauging
  3. straight line curve
  4. all of these
Answer
Answer. d

24. Water may not contain much impurities if its source is

  1. reservoirs
  2. stream flowing in plains
  3. lake in lower regions
  4. spring along hill slopes
Answer
Answer. d

25. Most important source of water for public water supply is from

  1. Lakes
  2. Ponds
  3. Streams
  4. Rivers
Answer
Answer. d

26. The percentage of fresh water available as polar ice/glaciers compared to total fresh water is

  1. 30%
  2. 69.61%
  3. 0.261%
  4. 0.04%
Answer
Answer. b

27. The source of surface water for supply to a community may be

  1. a natural pond
  2. a stream
  3. a lake
  4. any of the above
Answer
Answer. d

28. In leachate treatment, metals present in leachate can be removed by which treatment process?

  1. Precipitation
  2. Burning
  3. Washing
  4. Oxidation
Answer
Answer. a

29. The estimation of cumulative infiltration that may eventually become ground water recharge is defined as

  1. water balance
  2. abstraction
  3. storage
  4. run-off
Answer
Answer. a

30. Water from the following sources is likely to be hard

  1. River
  2. Lake
  3. Deep well
  4. Shallow well
Answer
Answer. b
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