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by Gurpinder » Sat Sep 18, 2010 8:46 am
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for the crate, how do you know which side is the length and which one is the width.

the answer = 5

so the dia of tank = 10. now if the crate is 8x10 where 8 is the width, the tank would not fit because the diameter is 10!!! right??????

Thx.
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by thephoenix » Sat Sep 18, 2010 9:03 am
we are asked to find out the maximum volume of tank
with given parameters we can have
1)8as dia , and 10 and 12 as ht.
or 2) 10 as dia and 8 and 12 as ht
for 1 vol. of tank will be 16pi*10 or 16pi*12
for 2nd it will be 25pi*8 or 25pi*12
maximum vol is when dia is 10 and ht 12
so radius is 5
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by Gurpinder » Sat Sep 18, 2010 9:26 am
thephoenix wrote:we are asked to find out the maximum volume of tank
with given parameters we can have
1)8as dia , and 10 and 12 as ht.
or 2) 10 as dia and 8 and 12 as ht
for 1 vol. of tank will be 16pi*10 or 16pi*12
for 2nd it will be 25pi*8 or 25pi*12
maximum vol is when dia is 10 and ht 12
so radius is 5
makes sense.

thx buddy!
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by goyalsau » Sun Sep 19, 2010 8:22 am
thephoenix wrote:we are asked to find out the maximum volume of tank
with given parameters we can have
1)8as dia , and 10 and 12 as ht.
or 2) 10 as dia and 8 and 12 as ht
for 1 vol. of tank will be 16pi*10 or 16pi*12
for 2nd it will be 25pi*8 or 25pi*12
maximum vol is when dia is 10 and ht 12
so radius is 5
why not 12 as diameter..
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by Gurpinder » Sun Sep 19, 2010 8:25 am
goyalsau wrote:
why not 12 as diameter..
if you do the calculation, you will see that you get the biggest volume of the tank when diameter = 10.
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by goyalsau » Sun Sep 19, 2010 8:31 am
I got it,
with 12 as diameter it not possible to put a cylinder in a box of 8,10 as other sides.
thanks for your comments.
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