πŸ“Š Public Health Engineering
Q. The water supply system means ?
  • (A) the entire scheme of collection and disposal of liquid waste
  • (B) the complete layout from the source of supply to the distribution
  • (C) construction of reservoirs
  • (D) construction of canals
πŸ’¬ Discuss
βœ… Correct Answer: (B) the complete layout from the source of supply to the distribution
πŸ“Š Public Health Engineering
Q. Which of the following statement is correct ?
  • (A) If the pH value of water is equal to 7, the water is said to be neutral
  • (B) The pH value determines the strength of the acid or alkali in water
  • (C) The pH value of water can be obtained by a potentiometer
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of the above
πŸ“Š Public Health Engineering
Q. The portion of soil through which lateral movement of water take place is ?
  • (A) water table
  • (B) an aquiclude
  • (C) zone of saturation
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (C) zone of saturation
πŸ“Š Public Health Engineering
Q. When in the previous strata, the surface of water surrounding the well is at atmospheric pressure, well is known as ?
  • (A) gravity well
  • (B) artesian well
  • (C) open well
  • (D) deep well
πŸ’¬ Discuss
βœ… Correct Answer: (A) gravity well
πŸ“Š Public Health Engineering
Q. The maximum permissible chlorine content for public supplies should be between ?
  • (A) 0.1 to 0.2 ppm
  • (B) 0.3 to 0.4 ppm
  • (C) 1.2 to 4 ppm
  • (D) 6.5 to 8 ppm
πŸ’¬ Discuss
βœ… Correct Answer: (A) 0.1 to 0.2 ppm
πŸ“Š Public Health Engineering
Q. Run-off is the water which flows ?
  • (A) in infiltration galleries
  • (B) in sewer pipes
  • (C) due to leakage of pipes
  • (D) in rivers
πŸ’¬ Discuss
βœ… Correct Answer: (D) in rivers
πŸ“Š Public Health Engineering
Q. The maximum permissible quantity of iron and manganese in water for domestic purposes should be ?
  • (A) 0.1 ppm
  • (B) 0.3 ppm
  • (C) 0.6 ppm
  • (D) 0.8 ppm
πŸ’¬ Discuss
βœ… Correct Answer: (B) 0.3 ppm
πŸ“Š Public Health Engineering
Q. The layers such as lime stone and sand stone which do not allow the water to pass through them are known as ?
  • (A) aquifers
  • (B) aquiclude
  • (C) aquifuge
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) aquiclude
πŸ“Š Public Health Engineering
Q. The maximum permissible total solid content in water for domestic purposes should not exceed ?
  • (A) 300 ppm
  • (B) 400 ppm
  • (C) 500 ppm
  • (D) 1000 ppm
πŸ’¬ Discuss
βœ… Correct Answer: (C) 500 ppm

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