An experimental microwave clothes dryer heats neither air : GMAT Critical Reasoning (CR)
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An experimental microwave clothes dryer heats neither air

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An experimental microwave clothes dryer heats neither air [#permalink]

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11 Aug 2009, 15:45
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An experimental microwave clothes dryer heats neither air nor cloth. Rather, it heats water on clothes, thereby saving electricity and protecting delicate fibers by operating at a lower temperature. Microwaves are waves that usually heat metal objects, but developers of a microwave dryer are perfecting a process that will prevent thin metal objects such as hairpins from heating up and burning clothes.

Which of the following, if true, most strongly indicates that the process, when perfected, will be insufficient to make the dryer readily marketable?

(A) Metal snap fasteners on clothes that are commonly put into drying machines are about the same thickness as most hairpins.
(B) Many clothes that are currently placed into mechanical dryers are not placed there along with hairpins or other thin metal objects.
(C) The experimental microwave dryer uses more electricity than future, improved models would be expected to use.
(D) Drying clothes with the process would not cause more shrinkage than the currently used mechanical drying process causes.
(E) Many clothes that are frequently machine-dried by prospective customers incorporate thick metal parts such as decorative brass studs or buttons.

[Reveal] Spoiler:
OA is E

Last edited by Jivana on 13 Aug 2009, 05:58, edited 1 time in total.
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Re: ETS Paper test#42 CR#4 [#permalink]

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11 Aug 2009, 18:28
oh! even I choose E , why is it A , any explaination
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Re: ETS Paper test#42 CR#4 [#permalink]

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11 Aug 2009, 20:15
1 more vote for E
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Re: ETS Paper test#42 CR#4 [#permalink]

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11 Aug 2009, 22:59
IMO E
OA can't be A. Please post the OE. If at all it is A then we will learn something new.
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Re: ETS Paper test#42 CR#4 [#permalink]

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12 Aug 2009, 07:04
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Re: ETS Paper test#42 CR#4 [#permalink]

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12 Aug 2009, 07:38
My apologies folks, the OA is E.
I looked under the wrong section!
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Re: ETS Paper test#42 CR#4 [#permalink]

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12 Aug 2009, 13:48
I was gonna say...
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Re: ETS Paper test#42 CR#4 [#permalink]

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12 Aug 2009, 19:36
Got a scare!
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Re: ETS Paper test#42 CR#4 [#permalink]

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13 Aug 2009, 02:08
I too picked E.

Can you please edit the first post with the correct OA.
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Re: ETS Paper test#42 CR#4   [#permalink] 13 Aug 2009, 02:08
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