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Traverton s city council wants to minimize the city s

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Manager
Manager
User avatar
Status: Its Wow or Never
Joined: 11 Dec 2009
Posts: 208
Location: India
Concentration: Technology, Strategy
GMAT 1: 670 Q47 V35
GMAT 2: 710 Q48 V40
WE: Information Technology (Computer Software)
Followers: 5

Kudos [?]: 37 [0], given: 7

GMAT Tests User
Traverton s city council wants to minimize the city s [#permalink] New post 20 Jan 2010, 03:46
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

82% (02:17) correct 17% (01:13) wrong based on 173 sessions
7. Traverton’s city council wants to minimize the city’s average yearly expenditures on its traffi c signal lights and so
is considering replacing the incandescent bulbs currently in use with arrays of light-emitting diodes (LEDs) as the
incandescent bulbs burn out. Compared to incandescent bulbs, LED arrays consume signifi cantly less energy
and cost no more to purchase. Moreover, the costs associated with the conversion of existing fi xtures so as to
accept LED arrays would be minimal.
Which of the following would it be most useful to know in determining whether switching to LED arrays would be
likely to help minimize Traverton’s yearly maintenance costs?
(A) Whether the expected service life of LED arrays is at least as long as that of the currently used
incandescent bulbs
(B) Whether any cities have switched from incandescent lights in their traffi c signals to lighting elements other
than LED arrays
(C) Whether the company from which Traverton currently buys incandescent bulbs for traffi c signals also sells
LED arrays
(D) Whether Traverton’s city council plans to increase the number of traffi c signal lights in Traverton
(E) Whether the crews that currently replace incandescent bulbs in Traverton’s traffi c signals know how to
convert the existing fi xtures so as to accept LED arrays
[Reveal] Spoiler:
A
]
[Reveal] Spoiler: OA

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Last edited by mojorising800 on 20 Jan 2010, 09:09, edited 1 time in total.
Manager
Manager
Joined: 20 Mar 2007
Posts: 62
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Kudos [?]: 2 [0], given: 0

Re: OG CR [#permalink] New post 20 Jan 2010, 08:45
Option A
Manager
Manager
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Re: OG CR [#permalink] New post 20 Jan 2010, 08:45
Option A
1 KUDOS received
Senior Manager
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Re: OG CR [#permalink] New post 20 Jan 2010, 15:04
1
This post received
KUDOS
mojorising800 wrote:
7. Traverton’s city council wants to minimize the city’s average yearly expenditures on its traffi c signal lights and so
is considering replacing the incandescent bulbs currently in use with arrays of light-emitting diodes (LEDs) as the
incandescent bulbs burn out. Compared to incandescent bulbs, LED arrays consume signifi cantly less energy
and cost no more to purchase. Moreover, the costs associated with the conversion of existing fi xtures so as to
accept LED arrays would be minimal.
Which of the following would it be most useful to know in determining whether switching to LED arrays would be
likely to help minimize Traverton’s yearly maintenance costs?
(A) Whether the expected service life of LED arrays is at least as long as that of the currently used
incandescent bulbs
(B) Whether any cities have switched from incandescent lights in their traffi c signals to lighting elements other
than LED arrays
(C) Whether the company from which Traverton currently buys incandescent bulbs for traffi c signals also sells
LED arrays
(D) Whether Traverton’s city council plans to increase the number of traffi c signal lights in Traverton
(E) Whether the crews that currently replace incandescent bulbs in Traverton’s traffi c signals know how to
convert the existing fi xtures so as to accept LED arrays
[Reveal] Spoiler:
A
]


Option A..... else reason "LED arrays consume significantly less energy and cost no more to purchase." would be nullified since LEDs would be bought and exchanged more freq than the incandescent bulbs!
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Manager
Manager
Joined: 09 Jan 2010
Posts: 128
Followers: 1

Kudos [?]: 4 [0], given: 12

Re: OG CR [#permalink] New post 22 Jan 2010, 11:17
DEFINATELY A
Director
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Re: OG CR [#permalink] New post 29 Apr 2011, 07:54
another sub-400 level question. A is blatant
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Re: OG CR   [#permalink] 29 Apr 2011, 07:54
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