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Twenty percent of all energy consumed in the United States

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Joined: 19 Feb 2004
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Location: Lungi
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Twenty percent of all energy consumed in the United States [#permalink]

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01 Apr 2004, 07:24
00:00

Difficulty:

15% (low)

Question Stats:

82% (02:05) correct 18% (01:33) wrong based on 56 sessions

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Twenty percent of all energy consumed in the United States is
consumed by home appliances. If appliances that are twice as energy-
efficient as those currently available are produced, this figure will
eventually be reduced to about ten percent.

The argument above requires which of the following assumptions?

(A) Home-appliance usage would not increase along with the energy
efficiency of the appliances.
(B) It would not be expensive to produce home appliances that are
energyefficient.
(C) Home-appliance manufacturers now have the technology to produce
appliances that are twice as energy-efficient as those currently
available.
(D) The cost of energy to the consumer world rise with increases in
the energy efficiency of home appliances.
(E) The percentage of energy consumed by home appliances will
increase if existing appliances are not replaced by more energy-
efficient models.
[Reveal] Spoiler: OA

Last edited by Vyshak on 11 May 2016, 05:11, edited 1 time in total.
Senior Manager
Joined: 19 Feb 2004
Posts: 414
Location: Lungi
Followers: 1

Kudos [?]: 13 [0], given: 0

Re: Twenty percent of all energy consumed in the United States [#permalink]

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03 Apr 2004, 22:13
OA is A.
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Re: Twenty percent of all energy consumed in the United States [#permalink]

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11 May 2016, 05:05
Expert's post
batliwala wrote:
Twenty percent of all energy consumed in the United States is
consumed by home appliances. If appliances that are twice as energy-
efficient as those currently available are produced, this figure will
eventually be reduced to about ten percent.

The argument above requires which of the following assumptions?

(A) Home-appliance usage would not increase along with the energy
efficiency of the appliances.
(B) It would not be expensive to produce home appliances that are
energyefficient.
(C) Home-appliance manufacturers now have the technology to produce
appliances that are twice as energy-efficient as those currently
available.
(D) The cost of energy to the consumer world rise with increases in
the energy efficiency of home appliances.
(E) The percentage of energy consumed by home appliances will
increase if existing appliances are not replaced by more energy-
efficient models.

Home appliances consume 20% of energy in US.
If twice energy efficient appliances are produced, this figure will come down to 10%.

We can conclude this only if the consumption remains the same.
If the consumption increases after the introduction of energy efficient appliance, then the percentage will not decreases.

Correct Option: A
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Re: Twenty percent of all energy consumed in the United States [#permalink]

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15 May 2016, 04:40
This is an assumption question so the conclusion has to be strengthened. What the argument is saying is that change appliance make them efficient then the energy will be saved..

If i prethink i will have answers like- people will use the new items , they have money to replace these

all answers relating to other things are irrelevant.

crux has to be these need to be used.

A says that these are using but the usage behavior is not changing.

hmmm- "BA- BAAM" ourr answer- same usage behavior and the use of these.
save the energy
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Joined: 09 Sep 2013
Posts: 33
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Re: Twenty percent of all energy consumed in the United States [#permalink]

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15 May 2016, 04:41
This is an assumption question so the conclusion has to be strengthened. What the argument is saying is that change appliance make them efficient then the energy will be saved..

If i prethink i will have answers like- people will use the new items , they have money to replace these

all answers relating to other things are irrelevant.

crux has to be these need to be used.

A says that these are using but the usage behavior is not changing.

hmmm- "BA- BAAM" our answer- same usage behavior and the use of these.
save the energy
Re: Twenty percent of all energy consumed in the United States   [#permalink] 15 May 2016, 04:41
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