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# After more than four decades of research and development, a

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Director
Joined: 06 Jan 2008
Posts: 546

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19 Apr 2008, 09:20
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After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help boost cargoes into space at significantly lower costs than current methods permit.
A. tested that could eventually propel aircraft anywhere in the world within two
hours or help
B. tested that could eventually have the capability of propelling aircraft anywhere in
the world within two hours or to help
C. tested, eventually able to propel aircraft anywhere in the world within two hours,
or helping
D. tested, and it eventually could propel aircraft anywhere in the world within two
hours or helping
E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help
I fell for trap. A? or E? Expln plz
Manager
Joined: 19 Aug 2007
Posts: 202
Re: SC - jet engine [#permalink]

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19 Apr 2008, 14:30
saravalli wrote:
After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help boost cargoes into space at significantly lower costs than current methods permit.
A. tested that could eventually propel aircraft anywhere in the world within two
hours or help

E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help
I fell for trap. A? or E? Expln plz

E. it the 'new type [of jet engine] could eventually have the capability to propel...or help boost cargoes'
i think the key word is 'have the capability' - the new type can not propel or boost, but rather that the new type will have the capaibility to do so
Director
Joined: 06 Jan 2008
Posts: 546
Re: SC - jet engine [#permalink]

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19 Apr 2008, 17:40
gmat blows wrote:
saravalli wrote:
After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help boost cargoes into space at significantly lower costs than current methods permit.
A. tested that could eventually propel aircraft anywhere in the world within two
hours or help

E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help
I fell for trap. A? or E? Expln plz

E. it the 'new type [of jet engine] could eventually have the capability to propel...or help boost cargoes'
i think the key word is 'have the capability' - the new type can not propel or boost, but rather that the new type will have the capaibility to do so

Can you expln how did you eliminate A. Also, sometimes GMATland says 'have the capability ..' is redundant. Thx
Senior Manager
Joined: 18 Feb 2008
Posts: 494
Location: Kolkata
Re: SC - jet engine [#permalink]

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19 Apr 2008, 19:42
whats wrong with the original sentence?me too for A
Senior Manager
Joined: 06 Jul 2006
Posts: 292
Location: SFO Bay Area
Schools: Berkeley Haas
Re: SC - jet engine [#permalink]

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19 Apr 2008, 23:33
Should be A.

E with "eventually have the capability" is redundant.

Whats the OA ?
Manager
Joined: 19 Aug 2007
Posts: 202
Re: SC - jet engine [#permalink]

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20 Apr 2008, 14:20
saravalli wrote:
gmat blows wrote:
saravalli wrote:
After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help boost cargoes into space at significantly lower costs than current methods permit.
A. tested that could eventually propel aircraft anywhere in the world within two
hours or help

E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help
I fell for trap. A? or E? Expln plz

E. it the 'new type [of jet engine] could eventually have the capability to propel...or help boost cargoes'
i think the key word is 'have the capability' - the new type can not propel or boost, but rather that the new type will have the capaibility to do so

Can you expln how did you eliminate A. Also, sometimes GMATland says 'have the capability ..' is redundant. Thx

I didnt like the use of 'that' in A because I thought that, 'that' needs to modify the word immediately before it.
However, looking at E again, I do agree that it is wordy/redundant.

whats the OA?
Senior Manager
Joined: 06 Aug 2007
Posts: 361
Re: SC - jet engine [#permalink]

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23 Apr 2008, 13:12
Going with E.

Also the reason is below:

After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help boost cargoes into space at significantly lower costs than current methods permit.

A. tested that could eventually propel aircraft anywhere in the world within two
hours or help - Here the "or" part is just awkward - it says the jet engine is being tested that could blah blah or the testing could help boost cargoes.

E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help - it refers back to the engine and the sentence does two things - its say the Engine could eventually have the capability to:
1. Propel aircarft anywhere in the world within two hours and
2. help boost cargoes into space at significantly lower costs than current methods permit

Last edited by spider on 23 Apr 2008, 13:25, edited 1 time in total.
Senior Manager
Joined: 06 Aug 2007
Posts: 361
Re: SC - jet engine [#permalink]

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23 Apr 2008, 13:18
suntaurian wrote:
Should be A.

E with "eventually have the capability" is redundant.

Whats the OA ?

Why is "have the capability" redundant

Is the following sentence wrong:

Do you have the capability to do this?
VP
Joined: 10 Jun 2007
Posts: 1439
Re: SC - jet engine [#permalink]

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23 Apr 2008, 14:43
1
KUDOS
saravalli wrote:
After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help boost cargoes into space at significantly lower costs than current methods permit.
A. tested that could eventually propel aircraft anywhere in the world within two
hours or help
B. tested that could eventually have the capability of propelling aircraft anywhere in
the world within two hours or to help
C. tested, eventually able to propel aircraft anywhere in the world within two hours,
or helping
D. tested, and it eventually could propel aircraft anywhere in the world within two
hours or helping
E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help
I fell for trap. A? or E? Expln plz

I actually picked E for this, but let's take a look:

Here is A
After more than four decades of research and development, a new type of jet engine is being tested that could eventually propel aircraft anywhere in the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit.

I didn't pick A because of "that". "That" needs to modify something and I feel it is at the wrong place. The correct placement should be:
...a new type of jet engine that is being tested could eventually...

Here is E
After more than four decades of research and development, a new type of jet engine is being tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit.

I picked this one because I feel that "it" clearly refers to "a new type of jet engine"
Senior Manager
Joined: 26 Mar 2008
Posts: 319
Location: Washington DC
Re: SC - jet engine [#permalink]

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25 Apr 2008, 12:12
Can anyone explain in details what are the usage difference between 'that' vs 'It'?
Manager
Joined: 19 Aug 2007
Posts: 202
Re: SC - jet engine [#permalink]

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25 Apr 2008, 12:30
marshpa wrote:
Can anyone explain in details what are the usage difference between 'that' vs 'It'?

I dont think you can directly compare the two. Although both are pronouns, they are functionally different.

'that' is a relative pronoun used to introduce modifying phrases whereas 'it' is a pronoun that takes place of a noun.

in A, the sentence attempts to use 'that' to explain and 'describe' the subject:
'a new type of engine' is being test' -- explains
'[a new type of engine] that could eventually propel..' -- uses 'that' to describe subject

whereas in E, the sentence breaks up the explanation and description into two indepedent clauses:
''a new type of engine is being tested', AND -- expalains
'[a new type of engine] it could eventually have the....' --- uses 'it' to help describe the subject

Hope that helps - please correct me if Im inccorect.
Director
Joined: 30 Jun 2007
Posts: 786
Re: SC - jet engine [#permalink]

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25 Apr 2008, 12:37
A. tested that could eventually propel aircraft anywhere in the world within two
hours or help [Hold it]
B. tested that could eventually have the capability of propelling aircraft anywhere in
the world within two hours or to help [ Changes the meaning of the sentence – eliminate it]
C. tested, eventually able to propel aircraft anywhere in the world within two hours,
or helping [run-on eliminate it]
D. tested, and it eventually could propel aircraft anywhere in the world within two
hours or helping [ it – has referent issue – eliminate it]
E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help [ it – has referent issue, eventually have the capability to propel - changes the meaning – eliminate it]

The difference between A and E is - Clarity issue: placement of word
tested that could eventually propel aircraft – describes the engine feature
tested, and it could eventually have the capability to propel aircraft – implies the engine may or may not have capability as of now but in the end it may – not clear at all

SVP
Joined: 04 May 2006
Posts: 1893
Schools: CBS, Kellogg
Re: SC - jet engine [#permalink]

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25 Apr 2008, 19:04
bkk145 wrote:
I didn't pick A because of "that". "That" needs to modify something and I feel it is at the wrong place. The correct placement should be:
...a new type of jet engine that is being tested could eventually...

I like this reasoning, I also found that there is problem with "that" in A, but cannot figure out why it is wrong! Thanks!
_________________
Re: SC - jet engine   [#permalink] 25 Apr 2008, 19:04
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