πŸ“Š Public Health Engineering
Q. Which of the following statement is correct ?
  • (A) The rate of silting in a reservoir is more in the beginning and less in the end
  • (B) At the economical height of a dam, its cost per million cubic metre of storage is minimum
  • (C) The percentage of water required for public use amounts to about 10% of the total water requirements
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of the above
πŸ“Š Public Health Engineering
Q. An artesian spring is formed ?
  • (A) when an aquifer gets exposed in a valley against a vertical cut
  • (B) due to continuous fault in a rock through which water under pressure comes out
  • (C) when a porous strata gets enclosed between two impervious strata
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) when a porous strata gets enclosed between two impervious strata
πŸ“Š Public Health Engineering
Q. Which of the following statement is wrong ?
  • (A) The quality of tube well water is better than that of surface sources
  • (B) The discharge of tube well is more than that of an open well
  • (C) The tube well should not derive water from the first previous strata
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) none of the above
πŸ“Š Public Health Engineering
Q. The maximum permissible turbidity for domestic supplies, on silica scale is ?
  • (A) 5 to 10 ppm
  • (B) 10 to 20 ppm
  • (C) 20 to 30 ppm
  • (D) 30 to 40 ppm
πŸ’¬ Discuss
βœ… Correct Answer: (A) 5 to 10 ppm
πŸ“Š Public Health Engineering
Q. The water mains should be designed for .......... of the average daily water requirement ?
  • (A) 100%
  • (B) 150%
  • (C) 225%
  • (D) 250 %
πŸ’¬ Discuss
βœ… Correct Answer: (C) 225%
πŸ“Š Public Health Engineering
Q. The quantity of water available from an infiltration gallery depends upon the ?
  • (A) size of gallery
  • (B) nature of soil
  • (C) yield of source
  • (D) all of these
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of these
πŸ“Š Public Health Engineering
Q. The yield of a surface stream may be obtained by ?
  • (A) cross-section velocity method
  • (B) stream gauging
  • (C) chemical method
  • (D) all of these
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of these

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