A development team for a company that makes specialty : GMAT Critical Reasoning (CR)
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A development team for a company that makes specialty

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A development team for a company that makes specialty [#permalink]

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31 Jul 2009, 06:08
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A development team for a company that makes specialty packaging wants to improve the strength of their outer materials. The manufacturing process involves dissolving a highly complex powder in superheated water and then rapidly cooling the mixture until it is a solid. The development team plans to strengthen the material by heating the water an additional 30 degrees, which will allow them to dissolve even more powder into the mixture.

Which of the following, if true, points to the biggest flaw in the development team’s plan?

A Developers must order the powder for this process from a company that does not make specialty packaging.
B The molecules in the powder begin to break down at a temperature 10 degrees above that in the original process.
C Developers will also need new molds for the packaging that can withstand the higher temperature.
D The molecules in the powder are able to withstand temperatures 60 degrees above that in the original process.
E Some members of the development team believe strongly in another method of strengthening the material
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31 Jul 2009, 06:37
noboru wrote:

B The molecules in the powder begin to break down at a temperature 10 degrees above that in the original process.

If molecules break down when heated more, then heating it more wouldn't strengthen the mixture, it would weaken it. my answer is B
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31 Jul 2009, 06:58
IMO C. OA??

"The development team plans to strengthen the material by heating the water an additional 30 degrees, which will allow them to dissolve even more powder into the mixture."

-- If there is anyother thing that the developement team failed to take into consideration, then that would represent the flaw in the process.

B) The molecules in the powder begin to break down at a temperature 10 degrees above that in the original process.
- while this might be true, this is not mentioned in the passage. Passage simply says heating the water to additional 30 degree, that might not have any temperature effect on the powder (perhaps the powder is extremely temperature resistant).

C) Developers will also need new molds for the packaging that can withstand the higher temperature.
--this is something that the developers forgot/overlooked, hence its not only the heating of water that will smoothen the process.
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31 Jul 2009, 07:36
whatthehell wrote:
IMO C. OA??

"The development team plans to strengthen the material by heating the water an additional 30 degrees, which will allow them to dissolve even more powder into the mixture."

-- If there is anyother thing that the developement team failed to take into consideration, then that would represent the flaw in the process.

B) The molecules in the powder begin to break down at a temperature 10 degrees above that in the original process.
- while this might be true, this is not mentioned in the passage. Passage simply says heating the water to additional 30 degree, that might not have any temperature effect on the powder (perhaps the powder is extremely temperature resistant).

C) Developers will also need new molds for the packaging that can withstand the higher temperature.
--this is something that the developers forgot/overlooked, hence its not only the heating of water that will smoothen the process.

C is not a flaw, but an extra requirement which can be accommodated in the plan.
B is correct as mentioned by polarbear.
Plan is to increase the temperature by 30degrees, but molecules can't stand that temperature increase: hence, plan is flawed.
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31 Jul 2009, 07:58
I might be thinking a little out of line there. My thought process was that temperate change in the powder material by 10 degree increase would screw up the thing.

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02 Aug 2009, 19:52
The statement states that the process involves dissolving the powder to increase the strength....if the powder doesn't break down/ dissolve even after raising the temp by 30% then the plan to increase the strength fails.
I feel it's D
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03 Aug 2009, 03:23
Siddharth wrote:
The statement states that the process involves dissolving the powder to increase the strength....if the powder doesn't break down/ dissolve even after raising the temp by 30% then the plan to increase the strength fails.
I feel it's D

I agree with you when u said it depends on how we interpret the word "break down" in option B. But how does that make you feel D is an answer?

Even though the statement is a bit ambiguous, using POE , IMO B
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03 Aug 2009, 03:27
Yep D would actually strengthen the dev team's proposal.
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31 Mar 2012, 11:04
bipolarbear wrote:
noboru wrote:

B The molecules in the powder begin to break down at a temperature 10 degrees above that in the original process.

If molecules break down when heated more, then heating it more wouldn't strengthen the mixture, it would weaken it. my answer is B

How is breaking down of the molecule related to Strengthening of the mixture.
Re: development team   [#permalink] 31 Mar 2012, 11:04
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