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Properly measuring the efficiency of manufacturing equipment

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Properly measuring the efficiency of manufacturing equipment [#permalink] New post 09 Jun 2013, 19:09
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36% (02:29) correct 64% (01:37) wrong based on 232 sessions
Properly measuring the efficiency of manufacturing equipment is a complex procedure. Suppose an advertisement announces the sale of new super-efficient foam concrete manufacturing equipment that can produce more foam concrete per minute than any other equipment available. Does higher productivity imply higher efficiency? What if the quality of all the foam concrete produced by this equipment is inferior?

The objection raised above against the efficiency measure described in the advertisement challenges the truthfulness of which of the following statements?
(A)Ways to measure the efficiency of foam concrete manufacturing equipment are representative of the ways to measure efficiency of any other manufacturing equipment.

(B)Producing foam concrete is the primary purpose of foam concrete manufacturing equipment.

(C)The quantity of foam concrete produced is relevant to measuring efficiency of foam concrete producing equipment.

(D)The only factor relevant to measuring the productivity of manufacturing equipment is the productivity of such equipment.

(E)The quality of the product manufactured should be considered when measuring the efficiency of manufacturing equipment.


OA to follow
[Reveal] Spoiler: OA

Last edited by guerrero25 on 25 Aug 2013, 23:17, edited 1 time in total.
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 09 Jun 2013, 20:12
guerrero25 wrote:
Properly measuring the efficiency of manufacturing equipment is a complex procedure. Suppose an advertisement announces the sale of new super-efficient foam concrete manufacturing equipment that can produce more foam concrete per minute than any other equipment available. Does higher productivity imply higher efficiency? What if the quality of all the foam concrete produced by this equipment is inferior?

The objection raised above against the efficiency measure described in the advertisement challenges the truthfulness of which of the following statements?
(A)Ways to measure the efficiency of foam concrete manufacturing equipment are representative of the ways to measure efficiency of any other manufacturing equipment.

(B)Producing foam concrete is the primary purpose of foam concrete manufacturing equipment.

(C)The quantity of foam concrete produced is relevant to measuring efficiency of foam concrete producing equipment.

(D)The only factor relevant to measuring the productivity of manufacturing equipment is the productivity of such equipment.

(E)The quality of the product manufactured should be considered when measuring the efficiency of manufacturing equipment.


OA to follow



IMO... The answer should be C as in the premise our objective is measuring efficiency.. Now that author compares productivity of one equipment with another.
Here,
Does higher productivity imply higher efficiency? It asks where higher productivity refers higher efficiency.
What if the quality of all the foam concrete produced by this equipment is inferior? This stem supports the previous question by stating that quality of foam concrete varies..

Now since quality is inferior that means the productivity is not upto the mark and thus destroys the "higher productivity imply higher efficiency" statement.
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 09 Jun 2013, 22:01
Its D for me as well. C merely questions the relevance of productivity, which is the very basis of the advertisement mentioned in the premise. The arguments do not question merely the relevance , rather the exclusive relevance of productivity
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 09 Jun 2013, 23:15
Its D... i got it wrong...

The language of the question is really tempting..!!!

We need to find out the answer that states "quality is not relevant to efficiency.."...
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 01 Oct 2013, 06:55
I am not convinced with the OA. The argument is saying productivity is not the only measure of efficiency. If D had said as below it would make sense.
D)The only factor relevant to measuring the efficiency of manufacturing equipment is the productivity of such equipment.

But the current wording which says "The only factor relevant to measuring the productivity of manufacturing equipment is the productivity of such equipment. --- This doesnt make sense.

Can anyone help please?
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 12 Oct 2013, 01:52
Its a straight D. The clue lies in the question stem "challenge the truthfulness ".
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 19 Oct 2013, 00:55
mohnish104 wrote:
Its a straight D. The clue lies in the question stem "challenge the truthfulness ".



Can you explain in detail how did you get D? I eliminated D because of

measuring the productivity of manufacturing equipment is the productivity of such equipment.
To me this statement does not make sense because we are comparing efficiency...


I chose C because the answer states

The quantity of foam concrete produced is relevant to measuring efficiency of foam concrete producing equipment.

The passage also questions the fact that quantity does not equal efficiency.

But OA is D. I am not sure where is my reasoning wrong? Please help.
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 19 Oct 2013, 01:44
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akashb106 Lets say there is an inspector who inspects such machines. He concludes that although the machine has a high productivity, unless and until the quality of the foam manufactured can't be determined, the efficiency can't be determined.

In reply the manufacturer says [D]: The only factor relevant to measuring the productivity of manufacturing equipment is the productivity of such equipment.

Hence the inspector in his argument is attempting to validate or in this case the challenge the very truthfulness of the manufacturer's reply.

Hope it helps.
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 03 Apr 2014, 09:28
Answer should be D.
Please someone correct answer choice D which repeats productivity twice since Guerrero apparently made an ugly mistake there
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Re: Properly measuring the efficiency of manufacturing equipment [#permalink] New post 03 Apr 2014, 09:53
hi jlgdr,

Could you please elaborate on why the correct answer is D and Not C.

Thanks in advance :)
Re: Properly measuring the efficiency of manufacturing equipment   [#permalink] 03 Apr 2014, 09:53
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