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iogann1982 [59]
3 years ago
13

So I am going to do online school till I graduate and I have horrible internet. i only get about 3 quarters of each class I take

so I miss most of it. WHAT DO I DO. my mom said she will never let me go back to a brick-and-mortar school.
Engineering
1 answer:
Sergeeva-Olga [200]3 years ago
8 0
If you are struggling to attend the entirety of your online class, I would consider getting in touch with your teacher, telling your situation, and asking them to help you in whatever way possible. Many teachers may be willing to explain the contents of the lesson through email or office hours. A guidance counselor, if available, may also be willing to assist you by talking to teachers for you if they refuse to cooperate. It may also be helpful to talk to your parents and explain to them that you are worried about your grades declining if you are to continue studying from home. They may understand that while this alternative works for some, it does not benefit you.


Hope this helps! Comment below for more questions.
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Answer:

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Explanation:

Given data:

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According to table of nominal pipe size , for schedule 80 , NPS 14,  pipe has diameter (D)= 12.5 in or 31.8 cm 0.318 m

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V = flow velocity

g = acceleration due to gravity

We know, flow rate Q = A x V

solving for V

V = \frac{Q}{A}

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\mu = Dynamic viscosity of water at 15 degree  C = 0.001 Ns/m2

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Re = \frac{1000\times 2.015\times 0.318}{0.001}

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Relative roughness (e/D) = 0.0015 / 318 = 0.00005

from Moody diagram, for Re = 640000 and e/D = 0.00005 , Darcy friction factor , f = 0.0126

Therefore head loss is

HL = \frac{0.0126 (200)(2.015)^2}{( 2 \times 9.81 \times 0.318)}

HL = 1.64 m

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