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# Passengers must exit airplanes swiftly after accidents,

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Senior Manager
Joined: 07 Jan 2008
Posts: 399
Passengers must exit airplanes swiftly after accidents, [#permalink]

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10 May 2009, 04:55
1
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4
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5% (low)

Question Stats:

80% (01:51) correct 20% (00:54) wrong based on 849 sessions

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Passengers must exit airplanes swiftly after accidents, since gases released following accidents are toxic to humans and often explode soon after being released. In order to prevent passenger deaths from gas inhalation, safety officials recommend that passengers be provided with smoke hoods that prevent inhalation of the gases.

Which of the following, if true, constitutes the strongest reason to require implementation of the safety officials' recommendation?

(A) Test evacuations showed that putting on the smoke hoods added considerably to the overall time it took passengers to leave the cabin.
(B) Some airlines are willing to buy the smoke hoods even though they consider them to be prohibitively expensive.
(C) Although the smoke hoods protect passengers from the toxic gases, they can do nothing to prevent the gases from igniting.
(D) Some experienced flyers fail to pay attention to the safety instructions given on every commercial flight before takeoff.
(E) In many airplane accidents, passengers who were able to reach emergency exits were overcome by toxic gases before they could exit the airplane.
[Reveal] Spoiler: OA
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Joined: 07 Nov 2007
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Location: New York
Re: CR - smoke hood requirement - Be careful! [#permalink]

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10 May 2009, 06:44
lexis wrote:
Passengers must exit airplanes swiftly after accidents, since gases released following accidents are toxic to
humans and often explode soon after being released. In order to prevent passenger deaths from gas
inhalation, safety officials recommend that passengers be provided with smoke hoods that prevent inhalation
of the gases.

Which of the following, if true, constitutes the strongest reason to require implementation of the safety
officials' recommendation?
(A) Test evacuations showed that putting on the smoke hoods added considerably to the overall time it took
passengers to leave the cabin.
(B) Some airlines are willing to buy the smoke hoods eventhough they consider them to be prohibitively expensive.
(C) Although the smoke hoods protect passengers from the toxic gases, they can do nothing to prevent the
gases from igniting.
(D) Some experienced flyers fail to pay attention to the safety instructions given on every commercial flight
before takeoff.
(E) In many airplane accidents, passengers who were able to reach emergency exits were overcome by toxic
gases before they could exit the ariplane.

I will go with E.
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Posts: 252
Re: CR - smoke hood requirement - Be careful! [#permalink]

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10 May 2009, 07:34
2
KUDOS
1
This post was
BOOKMARKED
IMO E

Passengers must exit airplanes swiftly after accidents, since gases released following accidents are toxic to
humans and often explode soon after being released. In order to prevent passenger deaths from gas
inhalation, safety officials recommend that passengers be provided with smoke hoods that prevent inhalation
of the gases.

Which of the following, if true, constitutes the strongest reason to require implementation of the safety
officials' recommendation?
(A) Test evacuations showed that putting on the smoke hoods added considerably to the overall time it took
passengers to leave the cabin --> weaken
(B) Some airlines are willing to buy the smoke hoods eventhough they consider them to be prohibitively expensive -->not strong enough
(C) Although the smoke hoods protect passengers from the toxic gases, they can do nothing to prevent the
gases from igniting --> no influence
(D) Some experienced flyers fail to pay attention to the safety instructions given on every commercial flight
before takeoff -->like B, this is not strong enough because of lacking of more necessary information
(E) In many airplane accidents, passengers who were able to reach emergency exits were overcome by toxic
gases before they could exit the ariplane -->best. Because, in addition to the passengers who couldn't reach to the exit, even passengers who could reach to the exit finally die before getting out of the plane, no one in the plane could escape from death by inhalation --> strongest reasons
Intern
Joined: 02 Mar 2009
Posts: 45
Location: Austin
Re: CR - smoke hood requirement - Be careful! [#permalink]

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10 May 2009, 08:05
Agree with E.
Director
Joined: 23 May 2008
Posts: 806
Re: CR - smoke hood requirement - Be careful! [#permalink]

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10 May 2009, 12:07
Clear E
Senior Manager
Joined: 01 Mar 2009
Posts: 367
Location: PDX
Re: CR - smoke hood requirement - Be careful! [#permalink]

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10 May 2009, 12:52
Passengers must exit airplanes swiftly after accidents, since gases released following accidents are toxic to
humans and often explode soon after being released. In order to prevent passenger deaths from gas
inhalation, safety officials recommend that passengers be provided with smoke hoods that prevent inhalation
of the gases

So the moment you read this argument, you'll find a few flaws in the premise right away.

Gases are toxic to human beings and explode soon after being released - If they are toxic, are they fatal, how long does it take for the gas to kill a person. How long does it take for the gas to explode ? "soon after" - is a loose phrase to quantify the exploding nature of a gas.

Based on these loose data points, the officials recommend that passengers be provided hoods that prevent inhalation of gases.

The question asks for strengthening this recommendation -Option E provides this additional premise by clearly quantifying that many passengers will die by the time they reach the exit door because of inhaling the toxic gases.
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Senior Manager
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Re: CR - smoke hood requirement - Be careful! [#permalink]

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11 May 2009, 09:21
U'r right.
OA is E.
Intern
Joined: 25 Mar 2009
Posts: 28
Re: CR - smoke hood requirement - Be careful! [#permalink]

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11 May 2009, 11:18
clearly E
Manager
Joined: 24 May 2009
Posts: 105
Re: CR - smoke hood requirement - Be careful! [#permalink]

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09 Jun 2009, 04:53
E here too.
Senior Manager
Joined: 05 Apr 2007
Posts: 253
Re: CR - smoke hood requirement - Be careful! [#permalink]

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14 Jun 2009, 02:22
E for me..It shows the possible bad consequence of not putting up the smoke hood in case if accidents...
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WE 1: 7years (Financial Services - Consultant, BA)
Re: CR - smoke hood requirement - Be careful! [#permalink]

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14 Jun 2009, 03:03
E for me

---
(1:10)
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Re: CR - smoke hood requirement - Be careful! [#permalink]

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19 Jun 2009, 02:40
1
KUDOS
Official answer is actually A (http://www.urch.com/forums/gmat-critica ... lanes.html)

Conclusion: In order to prevent passenger deaths from gas inhalation, safety officials recommend that passengers be provided with smoke hoods that prevent inhalation of the gases.

Answer E does not address the conclusion or mention smoke hoods at all. In fact, smoke hoods would help the passengers survive toxic gases. A smoke hood is similar to a gas mask, http://en.wikipedia.org/wiki/Smoke_hood , people will wear them when the plane crashes and it will prevent the toxic gases from killing the passengers.

Answer C restates the question. Just because it solves one problem but not the other does not make it a compelling anser for a strengthen question

Answer A addresses the time issue mentioned in the premise, "Passengers must exit airplanes swiftly after accidents"
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Re: CR - smoke hood requirement - Be careful! [#permalink]

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19 Jun 2009, 02:58
theprof wrote:
Official answer is actually A (http://www.urch.com/forums/gmat-critica ... lanes.html)

Conclusion: In order to prevent passenger deaths from gas inhalation, safety officials recommend that passengers be provided with smoke hoods that prevent inhalation of the gases.

Answer E does not address the conclusion or mention smoke hoods at all. In fact, smoke hoods would help the passengers survive toxic gases. A smoke hood is similar to a gas mask, http://en.wikipedia.org/wiki/Smoke_hood , people will wear them when the plane crashes and it will prevent the toxic gases from killing the passengers.

Answer C restates the question. Just because it solves one problem but not the other does not make it a compelling anser for a strengthen question

Answer A addresses the time issue mentioned in the premise, "Passengers must exit airplanes swiftly after accidents"

theprof - The link you have send has a different question. Its asking for the strongest reason NOT to .....
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Re: CR - smoke hood requirement - Be careful! [#permalink]

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19 Jun 2009, 04:00
Ah ok! Thanks, yes the link I sent was for "strongest reason not to". This question was the reverse.
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Re: CR - smoke hood requirement - Be careful! [#permalink]

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19 Jun 2009, 05:28
Definitely E
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Last edited by aknine on 28 Jun 2009, 04:42, edited 1 time in total.
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Re: CR - smoke hood requirement - Be careful! [#permalink]

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23 Jun 2009, 11:10
E
Manager
Joined: 01 May 2009
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Re: CR - smoke hood requirement - Be careful! [#permalink]

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27 Jun 2009, 06:58
E

Last edited by hasham222 on 27 Jun 2009, 07:11, edited 1 time in total.
Manager
Joined: 14 May 2009
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Schools: AGSM '16
Re: CR - smoke hood requirement - Be careful! [#permalink]

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27 Jun 2009, 07:08
It's most certainly E because it provides the strongest argument to support the safety official's recommendation to provide passengers with smoke hoods to prevent gas inhalation.
Manager
Joined: 16 Apr 2008
Posts: 90
Re: CR - smoke hood requirement - Be careful! [#permalink]

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11 May 2010, 10:46
Easy One - E
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Joined: 15 Apr 2010
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Re: CR - smoke hood requirement - Be careful! [#permalink]

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11 May 2010, 12:42
(A) Test evacuations showed that putting on the smoke hoods added considerably to the overall time it took passengers to leave the cabin. -> weakens
(B) Some airlines are willing to buy the smoke hoods eventhough they consider them to be prohibitively expensive. -> Out of scope
(C) Although the smoke hoods protect passengers from the toxic gases, they can do nothing to prevent the gases from igniting. -> The safety official recommends smoke hoods to prevent passenger deaths from gas inhalation only.
(D) Some experienced flyers fail to pay attention to the safety instructions given on every commercial flight before takeoff. -> Out of scope
(E) In many airplane accidents, passengers who were able to reach emergency exits were overcome by toxic gases before they could exit the ariplane. -> If the statement is true, the smoke hoods would actually prevent passenger deaths from smoke inhalation.
Re: CR - smoke hood requirement - Be careful!   [#permalink] 11 May 2010, 12:42

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