What is sterilization? O a. The process of reducing pathogen levels on a surface
b. The process of scrubbing a surface with soap to remove dirt and oil
c. The process of removing all microorganisms from a surface
d. None of the above

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Ответ:

gui00g7888888888888

18.02.2021

Health

121.20 cm

Explanation:

Given data in question

inner dia = 5 cm

flow rate = 75 umin = 1.25 ×10³ cm³/sec

Solution

First we calculate Re by this formula

Re= $\frac{V × D}{v)}$ = $\frac{Q × D}{π/4 × D²× v)}$

Re= $\frac{4Q }{π × D× v)}$

here we know Q is flow rate and D is dia of pipe and v is kinematic viscosity that is 1.14 × $10^{-2}$ cm ² / sec

so Re= $\frac{4Q }{π × D× v)}$

Re = $\frac{4×1.25× 10³ }{π × 5 × 1.14 × 10^{-2} )}$

So Re will be 27936 that is greater than 4000 thats why it is turbulent flow

and we know $\frac{Length}{dia)}$ ≡ 4.4 $Re^{1/6}$

so $\frac{Length}{dia)}$ ≡ 24.24

length will be 121.20 cm

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What is sterilization? O a. The process of reducing pathogen levels on a surface b. The process of scrubbing a surface with soap to remove dirt and oil c. The process of removing all microorganisms from a surface d. None of the above