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MCQs

Total Questions : 824 | Page 83 of 83 pages
Question 821. Corrosion of a pipe
  1.    reduces its life span
  2.    reduces its carrying capacity
  3.    adds colour to water
  4.    all the above.
 Discuss Question
Answer: Option D. -> all the above.
Question 822. The prescribed hardness limit of potable water ranges between
  1.    50 to 75 P.P.M.
  2.    75 to 115 P.P.M.
  3.    150 to 200 P.P.M.
  4.    none of these.
 Discuss Question
Answer: Option B. -> 75 to 115 P.P.M.
Question 823. How much is 1 decade
  1.    1 year
  2.    10 years
  3.    100 years
  4.    1000 years
 Discuss Question
Answer: Option B. -> 10 years
Question 824. Which method is used to measure the color of water?
  1.    Gravimetric analysis
  2.    Chromatography
  3.    Tintometer method
  4.    Hydrometer analysis
 Discuss Question
Answer: Option C. -> Tintometer method

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