Answered: Local authorities of Ankara built a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Local authorities of Ankara built a basin as cylindrical tank with an upper diameter D1 = 1500m, lower
diameter D2 = 750m and height H = 25m, in Ankara as shown in the figure. Nowadays we face out drought periods,
the water height in the basin is at the level of 9 m. This value should not fall below 5 m (critical point). Regional
officials estimate that the consumption rate in the city is 71620 m / day from the pipe with 2 m in diameter, and the
water inlet flow rate from various source (rainfall, current) to the basin will be 150000 m3
/ day. The independent
variable shows the time in t days, and how long does the water level in the tank (basin) reach the critical value?
(ρ = 1000kg / m3)

D'dh
expression
For the calculation of initial volume and the critical volume (at the critical point), use V =
The diameter of water, D depends on the height of water level in basin. Thus, its cross section area, A also
depends on the height of water level. Use below expressions in your calculations
D – D,
1500 – 750
D(h) = D, +
-h =750+
Н
h=750+30h
25
A(h) =
(750 + 30h)?
4
DI
inlet
H
h
outlet
D2

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