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If the needle on an industrial sewing machine becomes badly

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If the needle on an industrial sewing machine becomes badly [#permalink] New post 26 Oct 2007, 17:53
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If the needle on an industrial sewing machine becomes badly worn, the article being sewn can be ruined. In traditional apparel factories, the people who operate the sewing machines monitor the needles and replace those that begin to wear out. Industrial sewing operations are becoming increasingly automated, however, and it would be inefficient for a factory to hire people for the sole purpose of monitoring needles. Therefore a sophisticated new acoustic device that detects wear in sewing machine needles is expected to become standard equipment in the automated apparel factories of the future.

Which one of the following is most strongly supported by the information above?

(A) In automated apparel factories, items will be ruined by faulty needles less frequently than happens in traditional apparel factories.
(B) In the automated apparel factories of the future, each employee will perform only one type of task.
(C) Traditional apparel factories do not use any automated equipment.
(D) The needles of industrial sewing machines wear out at unpredictable rates.
(E) As sewing machine needles become worn, the noise they make becomes increasingly loud.

Please explain your answers.
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Re: CR 1000: Needle in industrial sewing [#permalink] New post 27 Oct 2007, 00:53
eyunni wrote:
If the needle on an industrial sewing machine becomes badly worn, the article being sewn can be ruined. In traditional apparel factories, the people who operate the sewing machines monitor the needles and replace those that begin to wear out. Industrial sewing operations are becoming increasingly automated, however, and it would be inefficient for a factory to hire people for the sole purpose of monitoring needles. Therefore a sophisticated new acoustic device that detects wear in sewing machine needles is expected to become standard equipment in the automated apparel factories of the future.

Which one of the following is most strongly supported by the information above?

(A) In automated apparel factories, items will be ruined by faulty needles less frequently than happens in traditional apparel factories.
(B) In the automated apparel factories of the future, each employee will perform only one type of task.
(C) Traditional apparel factories do not use any automated equipment.
(D) The needles of industrial sewing machines wear out at unpredictable rates.
(E) As sewing machine needles become worn, the noise they make becomes increasingly loud.

Please explain your answers.


I was trapped by E; the acoustic appearing the in the stem trapped me. However the subtle point involved here is that - BECAUSE the needles wear at unpredictable rates (as stated in D) - therefore we can't really know in advance when the needle would wear out and hence automated machines would require these devices to detect when the needle has become worn out enough.

Had the wear and tear been predictable (as in lets say it would wear after being in use for 3 months) - it would have been an easy matter to keep replacing needles at fixed intervals and would have obviated the need for sophisticated instruments.
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Re: CR 1000: Needle in industrial sewing [#permalink] New post 27 Oct 2007, 12:17
dwivedys wrote:
eyunni wrote:
If the needle on an industrial sewing machine becomes badly worn, the article being sewn can be ruined. In traditional apparel factories, the people who operate the sewing machines monitor the needles and replace those that begin to wear out. Industrial sewing operations are becoming increasingly automated, however, and it would be inefficient for a factory to hire people for the sole purpose of monitoring needles. Therefore a sophisticated new acoustic device that detects wear in sewing machine needles is expected to become standard equipment in the automated apparel factories of the future.

Which one of the following is most strongly supported by the information above?

(A) In automated apparel factories, items will be ruined by faulty needles less frequently than happens in traditional apparel factories.
(B) In the automated apparel factories of the future, each employee will perform only one type of task.
(C) Traditional apparel factories do not use any automated equipment.
(D) The needles of industrial sewing machines wear out at unpredictable rates.
(E) As sewing machine needles become worn, the noise they make becomes increasingly loud.

Please explain your answers.


I was trapped by E; the acoustic appearing the in the stem trapped me. However the subtle point involved here is that - BECAUSE the needles wear at unpredictable rates (as stated in D) - therefore we can't really know in advance when the needle would wear out and hence automated machines would require these devices to detect when the needle has become worn out enough.

Had the wear and tear been predictable (as in lets say it would wear after being in use for 3 months) - it would have been an easy matter to keep replacing needles at fixed intervals and would have obviated the need for sophisticated instruments.


We can use similar reasoning for (A) too. (A): "In automated apparel factories, items will be ruined by faulty needles less frequently than happens in traditional apparel factories" is supported because automated factories are able to detect faulty/worn out needles effectively. And hence, items are less frequently ruined. The OA is (D) but I am not sure why (A) cannot be the answer. Any comments?
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Re: CR 1000: Needle in industrial sewing [#permalink] New post 27 Oct 2007, 15:54
eyunni wrote:
If the needle on an industrial sewing machine becomes badly worn, the article being sewn can be ruined. In traditional apparel factories, the people who operate the sewing machines monitor the needles and replace those that begin to wear out. Industrial sewing operations are becoming increasingly automated, however, and it would be inefficient for a factory to hire people for the sole purpose of monitoring needles. Therefore a sophisticated new acoustic device that detects wear in sewing machine needles is expected to become standard equipment in the automated apparel factories of the future.

Which one of the following is most strongly supported by the information above?

(A) In automated apparel factories, items will be ruined by faulty needles less frequently than happens in traditional apparel factories.
(B) In the automated apparel factories of the future, each employee will perform only one type of task.
(C) Traditional apparel factories do not use any automated equipment.
(D) The needles of industrial sewing machines wear out at unpredictable rates.
(E) As sewing machine needles become worn, the noise they make becomes increasingly loud.

Please explain your answers.


I shortlisted to A and D.
Choose D.
A is a trap - there is no way to say In automated apparel factories, items will be ruined by faulty needles less frequently than happens in traditional apparel factories - what if in traditional factories hires a lot more people who operate the sewing machines monitor the needles and replace those that begin to wear out!!
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Re: CR 1000: Needle in industrial sewing [#permalink] New post 26 Oct 2009, 07:48
dwivedys wrote:
eyunni wrote:
If the needle on an industrial sewing machine becomes badly worn, the article being sewn can be ruined. In traditional apparel factories, the people who operate the sewing machines monitor the needles and replace those that begin to wear out. Industrial sewing operations are becoming increasingly automated, however, and it would be inefficient for a factory to hire people for the sole purpose of monitoring needles. Therefore a sophisticated new acoustic device that detects wear in sewing machine needles is expected to become standard equipment in the automated apparel factories of the future.

Which one of the following is most strongly supported by the information above?

(A) In automated apparel factories, items will be ruined by faulty needles less frequently than happens in traditional apparel factories.
(B) In the automated apparel factories of the future, each employee will perform only one type of task.
(C) Traditional apparel factories do not use any automated equipment.
(D) The needles of industrial sewing machines wear out at unpredictable rates.
(E) As sewing machine needles become worn, the noise they make becomes increasingly loud.

Please explain your answers.


I was trapped by E; the acoustic appearing the in the stem trapped me. However the subtle point involved here is that - BECAUSE the needles wear at unpredictable rates (as stated in D) - therefore we can't really know in advance when the needle would wear out and hence automated machines would require these devices to detect when the needle has become worn out enough.

Had the wear and tear been predictable (as in lets say it would wear after being in use for 3 months) - it would have been an easy matter to keep replacing needles at fixed intervals and would have obviated the need for sophisticated instruments.

Tks for your explanation
Re: CR 1000: Needle in industrial sewing   [#permalink] 26 Oct 2009, 07:48
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