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Lacking information about energy use

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Lacking information about energy use

by sairakesh » Wed May 06, 2009 7:31 pm
Lacking information about energy use, people tend to overestimate the amount of energy used by
equipment. such as lights, that are visible and must be turned on and off and underestimate that used by
unobtrusive equipment, such as water heaters.
(A) equipment, such as lights, that are visible and must be turned on and off and underestimate that
(B) equipment, such as lights, that are visible and must be turned on and off and underestimate it when
(C) equipment, such as lights, that is visible and must be turned on and off and underestimate it when
(D) visible equipment, such as lights, that must be turned on and off and underestimate that
(E) visible equipment, such as lights, that must be turned on and off and underestimate it when
Last edited by sairakesh on Thu May 07, 2009 5:27 pm, edited 1 time in total.
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by mehravikas » Wed May 06, 2009 8:19 pm
IMO - D.

Reason - Parallelism visible equipment...unobtrusive equipment.

I eliminated 'E' because 'E' refers to "underestimate it when"..it doesn't fits here
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by rseeker2 » Wed May 06, 2009 8:28 pm
Is it A ?

People tend to overestimate the amount of energy used by x and underestimate that used by y.

That would bring it down to A and D.

D talks about 'visible equipment, such as lights'... The equipment in both the cases are visible.
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by anshulseth » Thu May 07, 2009 1:26 am
Do underline the part which is questioned.
It doesn't take much time.
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Answer

by sairakesh » Thu May 07, 2009 5:25 pm
ANS OPT D
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by sumanr84 » Wed Jul 21, 2010 4:05 am
sairakesh wrote:Lacking information about energy use, people tend to overestimate the amount of energy used by
equipment. such as lights, that are visible and must be turned on and off and underestimate that used by
unobtrusive equipment, such as water heaters.
(A) equipment, such as lights, that are visible and must be turned on and off and underestimate that
(B) equipment, such as lights, that are visible and must be turned on and off and underestimate it when
(C) equipment, such as lights, that is visible and must be turned on and off and underestimate it when
(D) visible equipment, such as lights, that must be turned on and off and underestimate that
(E) visible equipment, such as lights, that must be turned on and off and underestimate it when
"visible equipment " is concise than "equipment that are/is visible " - Eliminate A,B and C

In E, "underestimate it when" is awkward and also not ||el.

Choose D
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by pradeepkaushal9518 » Wed Jul 21, 2010 4:29 am
good question rakesh

we need parallelism

equipment such as........... obstructive equipment such as........hence visible is required in front of first equipment

left with D and E

D parallel and clear

E though parallel but it when is not required making it unclear.

do D wins
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by indiantiger » Wed Jul 21, 2010 4:32 am
IMO : D
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by Onell » Mon Dec 13, 2010 1:08 am
indiantiger wrote:IMO : D
I am sort of confused OG10 says
In B, C, and E, when used by........ nonsensically suggests that the people are used by the equipment.Can anyone explain how will it modify people..


Thanks
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by ikaplan » Mon Dec 13, 2010 2:10 am
First, identify the 2-3 split (it helps and saves time). If we apply the 2-3 split rule here, we can differentiate between A, B and C AND D and E; the former contain the word 'equipment' while the latter 'visible equipment'.

If we go further in the argument we will see that the author makes parallel the unobtrusive equipment and other kind of equipment (in our case the visible one). Therefore, in order to make this sentence parallel discard A, B and C.

The difference between D and E is that E contains additional personal pronoun 'it'. Answer choice E is incorrect because 'it' is not necessary and goes against the rule of parallelism (tend to overestimate and tend to underestimate).

In conclusion, D is the correct choice.
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by e-GMAT » Mon Dec 13, 2010 6:58 am
Onell wrote:
indiantiger wrote:IMO : D
I am sort of confused OG10 says
In B, C, and E, when used by........ nonsensically suggests that the people are used by the equipment.Can anyone explain how will it modify people..

Thanks
I am not sure why OG 10 provides this as the explanation for B, C, and E. However, when I checked this question in OG Verbal Review (Purple - Edition 1, Q34), the explanation for B, C, & E no longer mentions the above referenced explanation.

Thanks,

Payal
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by chetan86 » Thu May 01, 2014 7:32 am
Just to add some points to this post.

Options A, B and C are definitely wrong because they are not parallel with non-underline portion.
Option E is also not parallel as well as incorrectly uses 'when'.
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