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31 Dec 2011, 15:38
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Machines powered by hydraulics are not driven by the steam produced by boiling water, but rather, high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.

a) water, but rather
d) water; rather
e) water; but

[Reveal] Spoiler:
According to some gmat rules, "rather than" can take on either a clause or noun,
while "instead of" goes with only a noun.
In the question above, the portion after the underlined part is clearly a clause; in that case,
the correct response should be D right?
[Reveal] Spoiler: OA

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01 Jan 2012, 10:12
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Neither the prepositional phrase ‘rather than’ nor ‘instead of’ is part of the choices in the issue. Only rather and instead are the issues. Hence, I feel there is no need to confuse with unmentioned choices here. . The thing to note is that that an independent but somewhat related clause should follow a semicolon.

Choices A and B fall out because of the redundant use of ‘but rather’ and ‘but instead’. Among the adverbs -instead and rather - and the conjunction ‘but, IMO, ‘instead’ fits into the groove better because of the precise meaning of “in that place” which is better than mere contrast markers such as ‘rather and but’

C is a winner by a whisker
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09 Nov 2012, 23:53
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Jp27 wrote:
Machines powered by hydraulics are not driven by the steam produced by boiling water, but rather, high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.

a) water, but rather
d) water; rather
e) water; but

OA after some discussion.

In this sentence the logic is "in place of x, y does something". Please note that in such cases where x is replaced by y, "instead" is correct ; but in cases where x is prefferred over y, "rather" is used.
Moreover, no contast given by "but" is needed here. There is just a replacement.
The two clauses separated apart by ";" are purely independent. To separate such clauses, either ", + conjuncting verb" or "; instead" is preferred. But since there is no need of "but" here, hence only correct option is C.
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22 Dec 2012, 13:45
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eaakbari wrote:
I am unable to comprehend as to why A is incorrect.

Machines powered by hydraulics are not driven by the steam produced by boiling water, but rather,
high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.

a) water, but rather
d) water; rather
e) water; but

Both options A and B are wrong due to redundancy issues ie but and rather BOTH show contrast , so only one of them is needed.
similarly instead and but have the same problem

AND instead is preferred to Rather here bcoz instead stands for replacement of one thing for another (high-pressure fuilds for steam) whereas rather stands for a choice b/w 2 alternatives or things. So it is C

Hope it is clear.
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27 Jul 2015, 00:55
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But/rather/ but rather all demands parrallel structures. Instead is a complex preposition so it can forego parallel rules
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04 Apr 2017, 23:04
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gmatbull wrote:
Machines powered by hydraulics are not driven by the steam produced by boiling water, but rather,
high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.

a) water, but rather
d) water; rather
e) water; but

OFFICIAL EXPLANATION

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09 Nov 2012, 23:06
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Choices A and B fall out because of the redundancy of ‘but rather’ and ‘but instead’. Among the adverbs -instead and rather - and the conjunction ‘but, IMO, ‘instead’ fits in the groove better because its precise meaning “in the place” fits in smugly over the contrast - markers,-- but and rather.--

C is a winner by a whisker
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11 Nov 2012, 20:23
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Jp27 wrote:
Hey - Opion D "; rather" - Are there any grammatical reasons for which we can eliminate this option.
Consider the below sentence.

I will get my car rims finished in Matt grey rather in black
I will get my car rims finished in Matt grey instead of black.

both seem right.

Cheers

Hii JP.
IMO both sentences are grammatically correct. Meaning wise, the intent is changing.
In 1) you prefer Matt grey over black
In 2) you just wanna replace Matt grey with black.
Hope that helps.
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16 Dec 2013, 12:44
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In MGMAT SC Chapter-9, Idiom : NOT..BUT, but rather and but instead are used in correct sentences.
e.g. A tomato is not a vegetable BUT RATHER a fruit.

I know in this question we need a coordinating conjunction to join two independent clause or ; , but making a claim that but instead or but rather together are redundant is challenging usage as mentioned in above stated example. Could anyone please help to clarify when it will be redundant and when it is ok ?
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13 Jul 2017, 11:07
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C -for me. Most succinct in meaning and clause construction

Machines powered by hydraulics are not driven by the steam produced by boiling water, but rather, high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.

a) water, but rather - there should be a 'by' 'but rather by' - cause we are connecting two processes
b) water, but instead - but instead; are two words with two tonal indications- but indicating contrast and instead, indicating an alternative - very slight difference, but it exists
c) water; instead - seems valid. Following semi colon, we have the complete independent clause (appropriately after semicolon and 'instead'). Sentence would read as "water; INSTEAD, high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.)
d) water; rather - incorrect tone
e) water; but - incorrect word, there is no contrast, as such

Hope it is C!

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31 Dec 2011, 22:34
i was thinking of E. Because of not.....but ||ism

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09 Nov 2012, 11:22
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Machines powered by hydraulics are not driven by the steam produced by boiling water, but rather, high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.

a) water, but rather
d) water; rather
e) water; but

OA after some discussion.

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09 Nov 2012, 12:44
Jp27 wrote:
Machines powered by hydraulics are not driven by the steam produced by boiling water, but rather, high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.

a) water, but rather
d) water; rather
e) water; but

OA after some discussion.

as usual the short sentence are the most tricky one

Here we need a sort of contrast but soft. Infact if we introduce a semicolon seems that the two indipendent cluase are two distinct things

I'll go for B
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10 Nov 2012, 00:25
Jp27 wrote:
Machines powered by hydraulics are not driven by the steam produced by boiling water, but rather, high-pressure fluids are transmitted throughout the machine to various motors and hydraulic cylinders.

a) water, but rather
d) water; rather
e) water; but

OA after some discussion.

I go with C too.

1. A preference do something over something is not indicated by the meaning of the sentence, so eliminate rather in that case . also but rather is redundant. So A, D are out.
2. E is clearly wrong coz but ( or any coordinating conjunction should be preceded by a comma and not a semicolon)
3. We now need to decide between B & C, I go for C because both sentences are independent and also but instead is redundant.

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10 Nov 2012, 02:24
I too agree with C

Most people may get foxed by Not X , But Y construction Or Not X , But rather Y............... A is out as it uses cpmma for the two independent clauses.
E remains since there is no //rism followed, hence this too is out....It should be Not by X ; but by Y.........

Hence only remaining correct option is C

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10 Nov 2012, 04:18
Will go with C.

A & B both provide independent clause marker ", but". It's better to use Semicolon.
Between Instead and rather, prefer "instead" as the reason Y replaces X.

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11 Nov 2012, 12:54
Hey - Opion D "; rather" - Are there any grammatical reasons for which we can eliminate this option.
Consider the below sentence.

I will get my car rims finished in Matt grey rather in black
I will get my car rims finished in Matt grey instead of black.

both seem right.

Cheers

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11 Nov 2012, 15:56
Jp27 wrote:
Hey - Opion D "; rather" - Are there any grammatical reasons for which we can eliminate this option.
Consider the below sentence.

I will get my car rims finished in Matt grey rather in black
I will get my car rims finished in Matt grey instead of black.

both seem right.

Cheers

Hi JP 27

I think the later one is correct, you can not use rather fro noun
black and matt grey both are noun, hence you have to use instead.

Moreover, you are choosing black over matt grey ie.. you are replacing.

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18 Nov 2012, 03:16
Marcab wrote:
Jp27 wrote:
Hey - Opion D "; rather" - Are there any grammatical reasons for which we can eliminate this option.
Consider the below sentence.

I will get my car rims finished in Matt grey rather in black
I will get my car rims finished in Matt grey instead of black.

both seem right.

Cheers

Hii JP.
IMO both sentences are grammatically correct. Meaning wise, the intent is changing.
In 1) you prefer Matt grey over black
In 2) you just wanna replace Matt grey with black.
Hope that helps.

you mean to say we use instead for replacement and rather for preferences,,,plz clear it to me thanks

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18 Nov 2012, 06:44
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Maryam787 wrote:
Marcab wrote:
Jp27 wrote:
Hey - Opion D "; rather" - Are there any grammatical reasons for which we can eliminate this option.
Consider the below sentence.

I will get my car rims finished in Matt grey rather in black
I will get my car rims finished in Matt grey instead of black.

both seem right.

Cheers

Hii JP.
IMO both sentences are grammatically correct. Meaning wise, the intent is changing.
In 1) you prefer Matt grey over black
In 2) you just wanna replace Matt grey with black.
Hope that helps.

you mean to say we use instead for replacement and rather for preferences,,,plz clear it to me thanks

Yes.
Use Instead for replacement and rather for preference.
Also note that if there is "instead of", then make sure that "instead of" is followed by a noun. It is so because "of" is a preposition and all prepositions are followed by a noun.
Hope that helps.
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