A container of water is being mixed to raise its dissolved oxygen concentration. The transfer coefficient for this system is 3,3/hr. At some point, the temperature is 5 C and the DO is 6.0 mg/L. What is the rate of oxygen transfer at that instant (in mg/hr.L)? 42.1 3.3 19.8 22.3

A container of water is being mixed to raise its dissolved oxygen concentration. The transfer coefficient for this system is 3,3/hr. At some point, the temperature is 5 C and the DO is 6.0 mg/L. What is the rate of oxygen transfer at that instant (in mg/hr.L)? 42.1 3.3 19.8 22.3

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

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A container of water is being mixed to raise its dissolved oxygen concentration. The transfer
coefficient for this system is 3.3/hr. At some point, the temperature is 5 C and the DO is 6.0
mg/L. What is the rate of oxygen transfer at that instant (in mg/hr.L)?
42.1
3.3
19.8
22,3

From a batch oxygenation test in the lab, you collect the data shown below. What is the rate
coefficient (min 1)?
Saturation concentration = 10 mg/L
Time
(min)
(mg/L)
4.1
8
7.1
0.069
0.076
0.089
0.375

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