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plane & line source

Started by sunpaw, Sep 08, 2009, 01:35

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sunpaw

Or is it...

you have a plane source 20'x20' reading 15rem/hr@2". Covering that plane source is 6 feet of high density concrete. In the middle of said concrete is a 1/2" x 8' horizontal gap. what is the reading @ 2 inches from this gap?

Show your work  :)

Chimera

I want to know how you're going to get your meter through 3 feet of concrete to verify my answer.

atomicarcheologist

Quote from: Roy Lightfoot on Sep 08, 2009, 01:35
Or is it...

you have a plane source 20'x20' reading 15rem/hr@2". Covering that plane source is 6 feet of high density concrete. In the middle of said concrete is a 1/2" x 8' horizontal gap. what is the reading @ 2 inches from this gap?

Show your work  :)
Radius of source= 20x20=400/3.1416=11.3ft.
6'2'' < 0.7 x Radius
Thumb Rule(s)
constant D/R (15Rem/Hr) from source to 0.1Radius (1.13ft)
0.1 Radius - 0.7 Radius = 1/3 Constant D/R = 5Rem/hr.

5 Rem/Hr.  Final Answer



Rennhack

Quote from: Atomic Archeologist on Mar 23, 2012, 03:31
5 Rem/Hr.  Final Answer

I was gonna give you crap for digging up a post dead for 3 years, then I realized your handle was "Atomic Archeologist", and that's kinda your job, I suppose.

wasteman

give him a break, he's been working on solving the problem for three years!!

GLW

Roy never specified PCF,...

been there, dun that,... the doormat to hell does not read "welcome", the doormat to hell reads "it's just business"

atomicarcheologist

Quote from: Rennhack on Mar 23, 2012, 06:16
I was gonna give you crap for digging up a post dead for 3 years, then I realized your handle was "Atomic Archeologist", and that's kinda your job, I suppose.
No wonder you're the boss!  Took the wind right out of my sails by picking up on that immediately.   [censored]  I guess I'll have to pick my shovel up and go somewhere else. 
BTW,  [2cents] I thought it interesting that no one got on this in three years.


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