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Environmental Engineering Practice Test: Water Demand & Quantity
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In environmental engineering, water demand is the amount of water that users request to meet their needs. The first step is to consider the demand, and the second step is to find sources to meet that demand. 

Here are some common types of water demand:

  1. Domestic water demand: Includes water for drinking, cooking, bathing, and gardening in private buildings
  2. Industrial water demand
  3. Commercial and industrial water demand
  4. Fire demand
  5. Demand for public use
  6. Compensate losses and theft demand
     

Topics include: Water Demand, & Population Forecasting

Environmental Engineering Practice Test: Water Demand & Quantity
Time left 00:00
25 Questions

1. In which of the following units, design period is maximized?
2. Which of the following statement is correct?
3. What is the design period for the water treatment unit?
4. Which method of population forecast combines both arithmetical increase and geometrical increase method?
5. Consider the following statements.

i. The arithmetical increase method is suitable for new cities

ii. The decreasing growth rate method is used where the rate of growth shows a downward pattern

iii. The geometrical increase method is used for older cities
Which of the following above statements is/are correct?
6. In which of the following units, design period is maximized?
7. The average consumption of water required in factories in lpcd is ___________
8. The average quantity of water (in lpcd) required for domestic purposes according to IS code is ________
9. If the annual average hourly demand of the city is 10000m3, what is the maximum hourly consumption?
10. What is the expression used for population forecasting by the arithmetical increase method?
11. What is the fire demand of the city of 1lakh population by Buston’s formula?
12. Which is the correct statement regarding per capita demand?
13. Consider the following statements.

i. The arithmetical increase method is suitable for new cities

ii. The decreasing growth rate method is used where the rate of growth shows a downward pattern

iii. The geometrical increase method is used for older cities
Which of the following above statements is/are correct?
14. What is the expression used for population forecasting by the incremental increase method?
15. Which method is suitable if the growth rate is decreasing and the population is reaching towards saturation?
16. What is the expression used for population forecasting by the incremental increase method?
17. Logistic method is also called as _______
18. Which method of population forecast combines both arithmetical increase and geometrical increase method?
19. Which method is suitable if the growth rate is decreasing and the population is reaching towards saturation?
20. What is the expression used for population forecasting by the geometrical increase method?
21. In which method of population forecasting, increase in population from decade to decade is assumed constant?
22. What are the factors affecting per capita demand?
23. If in a city, the maximum daily draft is 25MLD, fire draft is 35MLD and maximum hourly draft is 40MLD, what is the coincident draft?
24. The average quantity of water (in lpcd) required for domestic purposes according to IS code is ________
25. What is the design period for the water treatment unit?

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