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Passengers must exit airplanes swiftly after accidents,

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Passengers must exit airplanes swiftly after accidents, [#permalink] New post 24 Jan 2006, 18:34
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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 not 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 unwilling to buy the smoke hoods because 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.
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 [#permalink] New post 24 Jan 2006, 19:29
Going with A here:

"gases released following accidents are toxic to humans and often explode soon after being released"

Shows they don't have much time to get h*ll outta there. Getting blown up is probably a greater health risk than inhaling toxic fumes which forces me to conclude that time is of the essence. => A
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 [#permalink] New post 24 Jan 2006, 20:19
My bet is on A.

Also the masks could be so combursome that passengers cannot walk to the exists after wearing it :dunnow
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 [#permalink] New post 24 Jan 2006, 20:34
Why not C guys..

Even after wearing the maskes you cannot prevent the gases from igniting..So what if the passengers are wasting lot of time in that, it would infact be more dangerous as the gases might ignite by then
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 [#permalink] New post 24 Jan 2006, 21:01
Hey Andy,
It's not a SC as you mentioned in the subject line. :?


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 [#permalink] New post 24 Jan 2006, 21:08
andy_gr8 wrote:
Why not C guys..

Even after wearing the maskes you cannot prevent the gases from igniting..So what if the passengers are wasting lot of time in that, it would infact be more dangerous as the gases might ignite by then



I was leaning towards "C" initially, but I think I want to go with "A"

Here are my reasons :

Arguments states
- Passengers must leave swiftly
- gases released can be toxic to humans
- gases can explode after release

safety official's proposal - provide smoke hoods to prevent inhalation of toxic gas

official's recommendation of hoods is addressing only one part - preventing inhalation. It was not suggeted to protect from explosion

"C" - says- hoods don't help protect from explosion. But they were never recommended for that purpose

A - If the very act of wearing the hood is going to considerably increase the overall time, then, the passengers are not leaving swiftly. There by risking inhalation and/or explosion.
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 [#permalink] New post 24 Jan 2006, 21:15
Tricky one )))A for me
officials recommend that passengers be provided with smoke hoods that prevent inhalation of the gases. But Test evacuations showed that putting on the smoke hoods added considerably to the overall time it took passengers to leave the cabin.
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 [#permalink] New post 24 Jan 2006, 21:17
andy_gr8 wrote:
Why not C guys..

Even after wearing the maskes you cannot prevent the gases from igniting..So what if the passengers are wasting lot of time in that, it would infact be more dangerous as the gases might ignite by then


Although the smoke hoods protect passengers from the toxic gases, they can do nothing to prevent the gases from igniting.

I think here argument doesn't talk about ignition of gases thats why it is wrong.

Guys correct me if I'm wrong
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 [#permalink] New post 25 Jan 2006, 00:34
My money on A.

Andy, main concern here to get the passangers swiftly out of the cabin after accident. C is not talking about this.

If a passanger leaves the cabin as soon as possible then he will be saved from both inhalation of gases and explosion of gases.
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 [#permalink] New post 25 Jan 2006, 06:31
I`ll bet the farm on (A). If the hoods require precious extra minutes (or seconds) to apply, then the death toll from smoke inhalation will inevitably rise. Besides, most people can hold their breath long enough to get near an emergency exit on a commercial jet.
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 [#permalink] New post 25 Jan 2006, 09:19
A is better because it says that the gas can explode so it is better for passengers to evacute fast rather than fumble to get the mask right for hours.
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 [#permalink] New post 25 Jan 2006, 20:34
Good explanation guys...
OA is A...
  [#permalink] 25 Jan 2006, 20:34
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