πŸ“Š Public Health Engineering
Q. A pipe sunk into the ground to tap the underground water is called ?
  • (A) open well
  • (B) tube well
  • (C) artesian well
  • (D) infiltration well
πŸ’¬ Discuss
βœ… Correct Answer: (B) tube well
πŸ“Š Public Health Engineering
Q. The presence of calcium and magnesium chloride in water causes ?
  • (A) softening
  • (B) bad taste
  • (C) hardness
  • (D) turbidity
πŸ’¬ Discuss
βœ… Correct Answer: (C) hardness
πŸ“Š Public Health Engineering
Q. The earth's water circulatory system is known as ?
  • (A) water cycle
  • (B) hydrological cycle
  • (C) precipitation cycle
  • (D) all of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) hydrological cycle
πŸ“Š Public Health Engineering
Q. The growth of population may be conveniently represented by ?
  • (A) semi-logarthmic curve
  • (B) logistic curve
  • (C) straight line curve
  • (D) all of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) logistic curve
πŸ“Š Public Health Engineering
Q. Odours and tastes may result due to the presence of ?
  • (A) micro-organisms either dead or alive
  • (B) dissolved gases such as oxygen, carbon dioxide, methane etc
  • (C) mineral substances such as sodium chloride, iron compounds etc
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of the above
πŸ“Š Public Health Engineering
Q. The water obtained from .............. is generally known as sub-surface water ?
  • (A) rains
  • (B) rivers
  • (C) reservoirs
  • (D) artesian well
πŸ’¬ Discuss
βœ… Correct Answer: (D) artesian well
πŸ“Š Public Health Engineering
Q. In designing a water works for a city to meet the water demand for public use,a precision about ............... of the total consumption is made ?
  • (A) 5 %
  • (B) 10 %
  • (C) 20 %
  • (D) 25 %
πŸ’¬ Discuss
βœ… Correct Answer: (B) 10 %

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