DCC40152 Topic 2 (Part 1)

What is the main topic of Chapter 2?

• Usage & Demand of Water

• Water Pollution

• Sewage Treatment

• Water Storage Techniques

What are the classifications covered in water demand?

• Legal, Physical, Mechanical

• Industrial, Chemical, Transport

• Environmental, Financial, Agricultural

• Water usage, Population growth, Forecasting

What is the purpose of population growth estimation in water demand studies?

• To reduce water waste

• To forecast future water needs

• To measure water hardness

• To plan water tariffs

What does the birth rate measure?

• Number of people in a city

• Number of babies per family

• Number of births per 1,000 people per year

• Number of births in hospitals only

What happens to population density when the birth rate is high?

• It decreases

• It fluctuates randomly

• It increases

• It stays the same

What does the vital index represent?

• Ratio of rainfall to evaporation

• Ratio of death rate to disease rate

• Percentage ratio of birth over mortality

• Growth of population in square kilometers

Which method assumes a constant increase in population every decade?

• Arithmetic Increase Method

• Hydraulic method

• Logistic method

• Linear method

Which method gives too low an estimate in highly saturated cities?

• Arithmetic Increase Method

• Logistic Curve Method

• Random Estimate Method

• Geometric Increase Method

In which case is the Arithmetic Increase Method most useful?

• When city growth is unpredictable

• When there's a constant rate of growth

• For temporary settlements

• In shrinking rural areas

What is the main factor influencing water demand forecasting?

• Population growth

• Temperature

• Soil type

• Rainfall amount