Technical Civil

2021-05-22 08:26:35 Population Forecasting methods

Arithmetic Increase method:- It is applicable to Old developed large city.

Geometrical Increase method :- It is suitable for young and rapidly developing cities.

As compared to geometrical increase method of forecasting population the arithmetical increase method gives lesser value

Growth of population can be represented by Straight line curve

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2021-05-22 08:25:07 Momentum correction factor (β)

For laminar flow or circular pipe (β) :- 1.33

For turbulent flow (β) :- 1.2

Kinetic energy correction factor (α)

For laminar flow or circular pipe (α) :- 2

For turbulent flow (α) :- 1.33

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2021-05-22 05:06:12 All are request you that please wait some time you will get all notes as soon as possible

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2021-05-21 16:45:38 Previous year papers civil engineering exams

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2021-05-21 15:27:01 Reynolds number for pipe flow

Laminar flow :- Re ≤ 2000

Transitional flow :- 2000 < 4000

Turbulent flow :- Re > 4000

Reynolds number for open channel flow

Laminar flow :- Re ≤ 500

Transitional flow :- 500 < 2000

Turbulent flow :- Re > 2000

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2021-05-21 15:22:37


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2021-05-21 06:02:46 Values of Cd for Mouthpiece

External mouthpiece:- 0.855

Convergent divergent mouthpiece:- 1

Mouthpiece running full:- 0.707

Mouthpiece running free:- 0.50

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