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Lacking information about energy use, people tend to

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Lacking information about energy use, people tend to [#permalink]

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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 heater.
A. equipment, such as lights, that are visible and must be turned on and off and underestimate that
B. equipment, such as light, 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
[Reveal] Spoiler: OA

Last edited by broall on 27 Jul 2017, 19:01, edited 3 times in total.
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Re: Lacking information about energy use, people tend to [#permalink]

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New post 08 Jun 2009, 11:43
IMO the correct answer is Option D.

people tend to overestimate the amount of energy used by < visible equipment, such as lights, that must be turned on and off and underestimate that > used by unobtrusive equipment, such as water heater

Overestimate...Visible Euipment that must be turned on and off and Underestimate that used by ....

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Re: Lacking information about energy use, people tend to [#permalink]

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vaivish1723 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 heater.
A. equipment, such as lights, that are visible and must be turned on and off and underestimate that
B. equipment, such as light, 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


Oa is d



I chose D for this answer choice.

First of all, "visible equipment" is more concise than saying "equipment that is visible." Now suppose that you couldn't tell which way is more concise: "equipment" is singular, so you can't say "that ARE" to refer to equipment. That would eliminate answer choices A and B.
Now, option C does say "that is", which is correct. However, the last part of this answer choice says "it when", which is wrong, so option C is out. "it" refers only to a noun. What this sentence wants to refer to is "the amount of energy", to which you can refer using "that." Looking at options D and E, only D does this job perfecty well.

It's parallel to say, "the amount of energy used" and "that used."

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Re: Lacking information about energy use, people tend to [#permalink]

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New post 11 Jun 2009, 10:23
I go for 'D' as well...

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 heater.
A. equipment, such as lights, that are visible and must be turned on and off and underestimate that[/color].
B. equipment, such as light, that are visible and must be turned on and off and underestimate it when
'Equipment' used singular or plural is 'equipment' only, but we disregard this because here the sentence is talking about lights.. not just one light.
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.
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Re: Lacking information about energy use, people tend to [#permalink]

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New post 18 Jul 2009, 03:54
hasham222 wrote:
nitishmahajan wrote:
skim 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


Original sentence is trying to compare "Equipment and Obtrusive Equipment". So A, B and C is out. In between D and E. I think its D but not sure why.. Can any one explain ?

Thanks


D is better than C

Reason: Use of Pronoun Parallelism

....That are visible.......THAT used by.......



I thought the same but was not sure... Anyway Thanks :-D

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Re: Lacking information about energy use, people tend to [#permalink]

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visible equipment and unobtrusive equipment - parallel. that D and E.

Between D and E....D is parallel

overestimate the amount of energy used by visible equipment.......and underestimate that [amount of energy] used by unobtrusive equipment.............

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 - correct
(E) visible equipment, such as lights, that must be turned on and off and underestimate it when

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Re: Lacking information about energy use, people tend to [#permalink]

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that never goes after a comma when it is a essential modifier.
Which is the source of this question??
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Re: Lacking information about energy use, people tend to [#permalink]

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New post 09 Dec 2010, 16:38
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Choices A and B incorrectly use the plural verb are with the singular noun equipment. In B, C, and E, when
used by does not parallel amount... used by and nonsensically suggests that the people are used by the
equipment. D, the best choice, correctly parallels the amount... used by with that used by, in which that is the
pronoun substitute for amount. Moreover, D solves the agreement problem of A and B by omitting the to be verb
used with visible and placing visible before equipment', the phrase visible equipment is also parallel with
unobtrusive equipment.

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Re: Lacking information about energy use, people tend to [#permalink]

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New post 06 Apr 2011, 21:19
skim 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


OG explanations say "Choices A and B incorrectly use the plural verb are with the singular noun equipment."

How can OG say that THAT here is referring to equipment and not lights?? in
"people tend to overestimate the amount of energy used by equipment, such as lights, that are visible"
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Re: Lacking information about energy use, people tend to [#permalink]

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New post 07 Apr 2011, 09:49
joshnsit wrote:
skim 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


OG explanations say "Choices A and B incorrectly use the plural verb are with the singular noun equipment."

How can OG say that THAT here is referring to equipment and not lights?? in
"people tend to overestimate the amount of energy used by equipment, such as lights, that are visible"


Grammarians/GMATTERS/GMATClubians, Any comments on this OG explanation??????
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Re: Lacking information about energy use, people tend to [#permalink]

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New post 29 Apr 2012, 08:36
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"visible equipment " is more concise than "equipment that are/is visible "
Thus only D, E left. I picked the wrong choice here.

For E i think "when" is modifier for time which is wrong because we need a modifier for the "amount of energy"

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Re: Lacking information about energy use, people tend to [#permalink]

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New post 23 Dec 2012, 22:55
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Hii Fozzy.
The key point to remember is that when we are referring to the "something" that was mentioned earlier, then we must use "it" and when we are referring to the something similar or copy of that "something" then we must use "that".
In the above question, "it" will refer to the "amount of energy used by visible equipment" whereas "that" will refer to just "amount of energy".
Hope that helps.
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Re: Lacking information about energy use, people tend to [#permalink]

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Reason - Parallelism visible equipment...unobtrusive equipment.


D, the best choice, correctly parallels the amount... used by with that used by, in which that is the
pronoun substitute for amount
. Moreover, D solves the agreement problem of A and B by omitting the to be verb
used with visible and placing visible before equipment', the phrase visible equipment is also parallel with
unobtrusive equipment.
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Re: Lacking information about energy use, people tend to [#permalink]

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New post 27 Feb 2014, 10:04
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goodyear2013 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


Lots of good stuff in this question. You can see Subject Verb agreement issues in A & B (equipment are is). There is a nice split between "equipment that is visible" and "visible equipment" - "visible equipment" is more concise and is parallel with the comparison element, "unobtrusive equipment", so C can be eliminated.

That leaves us with D & E and this is where is gets interesting. This is a case where the correct answer "sounds wrong". It sounds good to say "underestimate it when" and sounds wrong to say "underestimate that". Grammatically, however, we can use "that" to refer back to "the amount of energy" but "it" doesn't refer clearly back to that phrase/concept. Additionally, using the word "when" is not parallel. We need to say "overestimate the amount of energy used...and underestimate that [the amount of energy] used". The correct answer is D.

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Re: Lacking information about energy use, people tend to [#permalink]

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New post 29 May 2014, 22:46
Can anyone comment on my approach, it took me 1:13 to solve it and select D as answer.
Eliminated A and B because of "equipment are" - S-V agreement
Eliminated C and E because they used "when" that almost always refers to a time period and is not present in this sentence.

Thanks!

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Re: Lacking information about energy use, people tend to [#permalink]

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New post 30 May 2014, 02:47
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Dienekes wrote:
Can anyone comment on my approach, it took me 1:13 to solve it and select D as answer.
Eliminated A and B because of "equipment are" - S-V agreement
Eliminated C and E because they used "when" that almost always refers to a time period and is not present in this sentence.

Thanks!


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

Your explanation for A and B are correct. As for usage of when, I think it is correct here.
When is used to modify noun event or time such as period,age,1987,decade...

In option C and D "when used by unobtrusive equipment" modify the pronoun event " use" .

However option C and E can be ruled out on parallelism grounds.

There was some discussion on this topic. Check out these links

confused-about-usage-of-when-151363.html
the-city-will-lose-more-than-one-million-dollars-in-134029.html#p1368714
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Re: Lacking information about energy use, people tend to [#permalink]

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New post 04 Jan 2015, 07:58
IMO - D (initially I thought it to be A or C) :shock:

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.

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.

Issue: "equipment, such as lights, that are visible and must be turned on and off " -> is wordy;
Better way: visible equipment, such as lights, that must be turned on and off...

(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

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Re: Lacking information about energy use, people tend to [#permalink]

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New post 19 Apr 2015, 01:28
souvik101990 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


In A, B, and C, equipment is not in parallel with unobtrusive equipment used in the sentence. Also B, C, and E ends with underestimate it when, which does not go with sentence because of overestimate the amount of energy used by used in the sentence.

that in D, refers to the amount of energy, and visible equipment makes it best choice.
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Last edited by dojha00 on 19 Apr 2015, 01:46, edited 1 time in total.

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Re: Lacking information about energy use, people tend to [#permalink]

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New post 19 Apr 2015, 01:28
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 - Uses the plural "are" for the singular "equipment". Also equipment || unobtrusive equipment.

B. equipment, such as lights, that are visible and must be turned on and off and underestimate it when - Uses the plural "are" for the singular "equipment". Also equipment || unobtrusive equipment. "when used by" || "amount used by"

C. equipment, such as lights, that is visible and must be turned on and off and underestimate it when - "when used by" || "amount used by". Also equipment || unobtrusive equipment.

D. visible equipment, such as lights, that must be turned on and off and underestimate that - We need a "that" after underestimate at the latter part of the underlined portion. "that" stands for "amount of energy".
Secondly, "overestimate the amount of energy used by visible equipment" || "underestimate that used by unobtrusive equipment"


E. visible equipment, such as lights, that must be turned on and off and underestimate it when - "when used by" || "amount used by"

Answer: D

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Re: Lacking information about energy use, people tend to [#permalink]

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New post 24 Apr 2015, 03:56
The option D changes the meaning of the sentence.

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Re: Lacking information about energy use, people tend to   [#permalink] 24 Apr 2015, 03:56

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