Environmental Engineering Basic Test – 2

1. Which method is suitable if the growth rate is decreasing and the population is reaching towards saturation?

2. In which method of population forecasting, increase in population from decade to decade is assumed constant?

3. Which method of population forecast combines both arithmetical increase and geometrical increase method?

4. Logistic method is also called as _______

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. What is the expression used for population forecasting by the arithmetical increase method?

7. Which method of population forecast is suitable when extension is required for small duration and past record is available for long duration?

8. What is the expression used for population forecasting by the geometrical increase method?

9. What is the expression used for population forecasting by the incremental increase method?

10. In which method of population forecast, percentage increase in population from decade to decade is assumed constant?