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

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

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Q. Logistic method is also called as _______

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Q. 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?

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

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

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Q. The size of suspended solids lies in the range of ________

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Q. Suspended solids are measured by which of the following?

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Q. The maximum permissible limit for suspended solids is ____________

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Q. Identify the correct relation between the following?

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Q. Which method is used to measure the color of water?

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Q. 1 TCU (True Color Unit) is equivalent to _____

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Q. The range for threshold odour number is __________

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Q. Threshold odour number testing is preferred in hot water.

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Q. One JTU is equivalent to turbidity produced by __________

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Q. If the PO value is 6, what does it imply?

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Q. The range of temperature of water that is required to do the temperature test is __________

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Q. Which of the following statement is wrong regarding turbidity?

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Q. The permissible limit of turbidity of domestic water is ____ ppm.

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Q. What is the full form of NTU in context with turbidity?

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