πŸ“Š Public Health Engineering
Q. The yield of the well depends upon the ?
  • (A) permeability of the soil
  • (B) position of water table
  • (C) depth of well in impervious layer
  • (D) all of these
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of these
πŸ“Š Public Health Engineering
Q. Low turbidity of water can be determined by ?
  • (A) turbidity tube
  • (B) Jacksons turbidimeter
  • (C) Baylis turbidimeter
  • (D) Hellipe turbidimeter
πŸ’¬ Discuss
βœ… Correct Answer: (C) Baylis turbidimeter
πŸ“Š Public Health Engineering
Q. The sodium carbonate in water ?
  • (A) causes bad taste
  • (B) softens the water
  • (C) increases hardness of water
  • (D) stops epidemic
πŸ’¬ Discuss
βœ… Correct Answer: (B) softens the water
πŸ“Š Public Health Engineering
Q. The odour of water can be determined by ?
  • (A) thermometer
  • (B) Osmoscope
  • (C) Jackson's turbidimeter
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) Osmoscope
πŸ“Š Public Health Engineering
Q. The finely divided dispersion of solid particles which are not visible to the naked eye and cannot be removed by ordinary filters are known as ?
  • (A) suspended impurities
  • (B) dissolved impurities
  • (C) colloidal impurities
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (C) colloidal impurities
πŸ“Š Public Health Engineering
Q. According to Indian standards, the consumption of water per capita per day for nursing homes, boarding schools and hostels is ?
  • (A) 85 litres
  • (B) 100 litres
  • (C) 115 litres
  • (D) 135 litres
πŸ’¬ Discuss
βœ… Correct Answer: (D) 135 litres
πŸ“Š Public Health Engineering
Q. The maximum permissible chloride content in water for domestic supplies should not exceed ?
  • (A) 250 ppm
  • (B) 350 ppm
  • (C) 450 ppm
  • (D) 550 ppm
πŸ’¬ Discuss
βœ… Correct Answer: (A) 250 ppm
πŸ“Š Public Health Engineering
Q. The maximum permissible colour for domestic supplies, on platinum cobalt 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: (B) 10 to 20 ppm

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