Mid Term Exam

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Mid Term Exam

Post by Mana on Thu 01 Jan 2009, 9:59 pm

http://rapidshare.com/files/178801652/exam.rar.html
fen 3elbt el snikers ya Hossam Very Happy:D
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Re: Mid Term Exam

Post by hossam on Thu 01 Jan 2009, 10:08 pm

والله يو م السبت ي ايمان
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Re: Mid Term Exam

Post by Mana on Thu 01 Jan 2009, 10:09 pm

lma nshoof Very Happy:D
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Re: Mid Term Exam

Post by maged on Thu 01 Jan 2009, 10:09 pm

جزاكي الله خيرا
cheers cheers
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Re: Mid Term Exam

Post by hossam on Thu 01 Jan 2009, 10:13 pm

بس هو ايه الاسنكرده اصلا
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Re: Mid Term Exam

Post by maged on Thu 01 Jan 2009, 10:13 pm

يا مانا ارجوكي ياريت تحطي رابط تاني غير ده وكمان ياريت تحطي رابط تاني لشيت الصرف
لاني كل ما اخش يقولي عندك ايرور ايرور
شوفي موقع تاني غير ده
بصي عندك مثلا الموقع ده
www.mediafire.com
www.megashare.com
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Re: Mid Term Exam

Post by Mana on Thu 01 Jan 2009, 10:14 pm

ok 7arfa3o now lek 3ala el media fire
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Re: Mid Term Exam

Post by Mana on Thu 01 Jan 2009, 10:34 pm

http://www.MegaShare.com/560149
ellink ya maged....
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Re: Mid Term Exam

Post by maged on Thu 01 Jan 2009, 10:36 pm

اسف ع الازعاج
وجزاكي الله خيرا
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Re: Mid Term Exam

Post by amelsakka on Thu 01 Jan 2009, 10:37 pm

Sorry, guys.
My camera is not working fine, so I can't scan the solution of the mid-term exam.

Anyway, again I'm available for any questions in the mid-term exam or any other question.
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Re: Mid Term Exam

Post by bassem zakarya on Thu 01 Jan 2009, 11:39 pm

http://rapidshare.com/files/178827968/Book1.xls.html

this is my solution
srry ba2a ya gama3a elly na2es dah ana 2olt ne3melo ezzay hena

http://civil2009.forum-motion.com/networks-hydraulics-f26/steps-of-sewer-section-design-t1359-15.htm#13513
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Re: Mid Term Exam

Post by boba on Thu 01 Jan 2009, 11:46 pm

thank you queen

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Re: Mid Term Exam

Post by maged on Fri 02 Jan 2009, 12:01 am

شكرا يا برنس
وجزاك الله خيرا
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Re: Mid Term Exam

Post by amelsakka on Fri 02 Jan 2009, 12:58 am

Great Idea, Bassem
I will complete your sheet and upload it
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Re: Mid Term Exam

Post by amelsakka on Fri 02 Jan 2009, 2:00 am

Here is the solution of problem 3:

http://www.megaupload.com/?d=I86BG0J6
http://rapidshare.com/files/178862528/Midterm_Q3.xls
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Re: Mid Term Exam

Post by amelsakka on Fri 02 Jan 2009, 2:16 am

Please take care of these important points:
===============================

When calculating Q(pop):
1) divide by 1000 to convert liter to m3
2) divide by (24*60*60) to convert from day to sec

When filling the final table:
1) Make the "Area" cumulative (sum all areas draining to the pipe)

2) Make the "Qpop" also cumulative (sum all Qpop draining to the pipe)

3) Notice:
Qrain = C I A
Q: cfs
I: in/hr
A: acre

4) When calculating Qrain:
divide by (2.54) to convert "I" from cm/hr to inch/hr
multiply by (4200) to convert "A" from feddan to m2
divide by (4047) to convert "A" from m2 to acre
divide by (3.28^3) to convert "Q" from cfs to m3/s
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Re: Mid Term Exam

Post by amelsakka on Fri 02 Jan 2009, 2:31 am

Please notice that Q(total) here, which is used in design, was calculated by summation of Q(rain) and Q(pop).
That was the solution of this problem in that exam.

That's not correct when designing a sewer system.
"According to Yehia" Smile,,, the Q(pop) should be taken as "Q(av)" and then calculate Q(summer) and Q(winter).

Here Q(rain) will be added to Q(winter) only.
Then we will design on the maximum Q between Q(winter) and Q(summer)

but of course that was out of scope of the mid-term exam.
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Re: Mid Term Exam

Post by amelsakka on Fri 02 Jan 2009, 2:58 am

Here is solution for Question 2:

http://rapidshare.com/files/178873593/Midterm_Q1-Q3.xls
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Re: Mid Term Exam

Post by kujo on Fri 02 Jan 2009, 6:39 am

جزاكم الله خيرا

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Re: Mid Term Exam

Post by bassem zakarya on Fri 02 Jan 2009, 8:35 am

thx Ahmed

wallahy mn 3'erak ma3rafsh kont ha3mel a fe3lan Very Happy
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Re: Mid Term Exam

Post by bassem zakarya on Fri 02 Jan 2009, 11:04 am

Please notice that Q(total) here, which is used in design, was calculated by summation of Q(rain) and Q(pop).
That was the solution of this problem in that exam.

That's not correct when designing a sewer system.
"According to Yehia" Smile,,, the Q(pop) should be taken as "Q(av)" and then calculate Q(summer) and Q(winter).

Here Q(rain) will be added to Q(winter) only.
Then we will design on the maximum Q between Q(winter) and Q(summer)

but of course that was out of scope of the mid-term exam.

I think enn l target bta3 Dr.Aly makansh ennena net3allem how to design a sewer but it was how to use the spreadsheet technique as an aid in our design procedures

but the question is........

In the final exam wat should we do, design by the exact method or by the excel method?

I think that we have to satisfy every Doctor Very Happy ya3ny fy so2al dr.aly (excel) nesta5dem tare2toh, w fy so2al dr.ye7ya nesta5dem tare2toh
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Re: Mid Term Exam

Post by amelsakka on Fri 02 Jan 2009, 3:40 pm

You are absolutely right ya Bassem.
Dr Ali just wanted to apply the spreadsheet technique.

Also the problems of Dr Ali, inshaa Allah won't be confusing.
As he brings the spreadsheet already with missing cells. So he will direct us to the sequence of solving.

If he put an open ended problems,, then we the right to solve it with the design method.
By the way, it's not really "Yehia's Method" Smile
This is a standard design method.
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