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The use of heat pumps has been held back largely by skeptic

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KhulanE
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   08 Oct 2020, 08:39
Carcass wrote:
1) extravagant claim refers to the fact the passage conveys fancy and improbable twist to the law of energy and the author of the author says: no. You (someone) are trying to disrupt the law itself but your (someone) assertions do not have strong points

2) B is just part of the passage which explain how heat pumps work. It does not grasp the overall sense or idea of the passage.

Hope this helps



Oh I am sorry. By mentioning B, I was actually pointing C.
It might be confusing, so let me be rectify my second answer again.
Answer choice C is more likely about structure of the passage and E seems concluding passage. I failed to pick C over E, so please clarify difference between answer choice C and E. What made me fall into this?
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   08 Oct 2020, 10:37
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(C) describe heat pumps, their use, and factors affecting their use

it is a fact answer or a detailed one. It DO NOT catch the whole idea

Please read the following pDF about the main idea for an RC passage


Attachment:
Main point of RC passage.pdf [881.18 KiB]
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Flashinthepan
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   18 Nov 2020, 12:43
Some of the questions are really amazing!

Al hail ETS for creating such trap options. You got me, touche sir!
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nurakib
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   04 Feb 2021, 11:40
I'm not clear about question 22. can someone help me to find out the logic?
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   04 Feb 2021, 13:43
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This is a question about the role of the portion/words highlighted

Now the refrigerant, as a high-pressure, cooled liquid, confronts a flow restriction which causes the pressure to drop. As the pressure falls, the refrigerant expands and partially vaporizes, becoming chilled.

The role of the portion is to explain HOW the refrigerate goes from high pressure to lower pressure and then , as a result, becoming cooler

22. According to the passage, the role of the flow restriction in a heat pump is to

(A) measure accurately the flow rate of the refrigerant mass at that point
(B) compress and heat the refrigerant vapor

(C) bring about the evaporation and cooling of refrigerant

Correct

(D) exchange heat between the refrigerant and the air at that point
(E) reverse the direction of refrigerant flow when needed


Hope now is more clear to you

Regards
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Carcass
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   04 Feb 2021, 14:16
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Bump for further discussion
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IAmConfused
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   05 Feb 2021, 01:29
I have confusion on questions 4 and 5.

For question 4, Didn't advertisers make an exaggerated claim that defied the principle of energy (which is stated in the first para)? So why isn't the answer A?

For question 5, Why can't B be the answer? As stated in the last para, the greatest drawback of the heat pump is that it doesn't work well when it is really cold outside (i.e. when it is most needed)
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Carcass
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   05 Feb 2021, 10:37
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Sorry Sir

We are here to help you and all the other students nonetheless.

However, if you see the answers before in the discussion, the questions you asked explanation for are already explained https://gre.myprepclub.com/forum/the-use-o ... tml#p45598

Regards
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as005
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The use of heat pumps has been held back largely by skeptic [#permalink] New post   16 Feb 2021, 03:27
Very technical and difficult passage. Can we expect such passages in Modern GRE?
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Carcass
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   16 Feb 2021, 05:32
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yes but shortest and at most 4 questions
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   17 May 2021, 00:01
I am not getting Q22! Can someone help me out?
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pradeep099
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   27 Sep 2021, 16:06
Am I the only one who gets scared when the most answers I come up with was C ?
It's weird when the most answer is C, so u start to doubt yourself and read again and take more time.
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Greprep911
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   15 Dec 2021, 22:48
Can someone explain question # 21 and why the answer is E?
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Re: The use of heat pumps has been held back largely by skeptic [#permalink] New post   16 Dec 2021, 20:11
Hey Greprep911

Here is an explanation: https://gre.myprepclub.com/forum/the-use-o ... tml#p44730

Greprep911 wrote:
Can someone explain question # 21 and why the answer is E?
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Re: The use of heat pumps has been held back largely by skeptic [#permalink]
16 Dec 2021, 20:11
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