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Cellular telephone towers are critical for their ability to allow wire

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Cellular telephone towers are critical for their ability to allow wire [#permalink]

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New post 21 Apr 2017, 23:37
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Question Stats:

86% (01:18) correct 14% (00:51) wrong based on 81 sessions

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Cellular telephone towers are critical for their ability to allow wireless transmission of signals between cell phone users. Because many of the towers currently in use were built over a decade ago and rely on outdated circuitry, workers with specialized training are needed to repair them. Without repairs, a number of these older cell phone towers would soon fail. Thus, workers with the training required to repair older towers must continue to be utilized.

Which of the following, if true, most seriously weakens the argument above?

(A) Most people rely on cellular phones for email correspondence in addition to voice communication.
(B) Programs that specialize in training technicians to repair older circuitry are extremely expensive.
(C) Repairs attempted by unqualified technicians often result in further damage that requires subsequent and more extensive repairs.
(D) Manufacturers of cellular tower circuitry all claim that the circuitry will function reliably for at least five years.
(E) The high wages and scarcity of qualified repair technicians make repairing old cell phone towers more costly and time consuming than simply constructing new towers.

Source : PowerScore
[Reveal] Spoiler: OA

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Cellular telephone towers are critical for their ability to allow wire [#permalink]

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New post 25 Apr 2017, 07:36
Question Type: Weaken

Main Point: Old tech. trained workers are required to repair towers
Assumption: New tech trained workers do not have the knowledge to repair towers.

(A) Most people rely on cellular phones for email correspondence in addition to voice communication. - Incorrect. Out of context.

(B) Programs that specialize in training technicians to repair older circuitry are extremely expensive. - Incorrect. They are expensive but they still address the problem.

(C) Repairs attempted by unqualified technicians often result in further damage that requires subsequent and more extensive repairs. - Incorrect. Opposite. This may strengthen the requirement for qualified old technicians.

(D) Manufacturers of cellular tower circuitry all claim that the circuitry will function reliably for at least five years. - Incorrect. Time period is irrelevant to the discussion.

(E) The high wages and scarcity of qualified repair technicians make repairing old cell phone towers more costly and time consuming than simply constructing new towers. - Correct. This weakens the argument by stating that old tech. workers are not needed as constructing new towers is much cheaper than servicing the old towers.

Answer: E

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Re: Cellular telephone towers are critical for their ability to allow wire [#permalink]

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New post 14 Oct 2017, 23:48
GMATNinja VeritasPrepKarishma

Can you please help to select (E) over (B)

if programs are more expensive ,then it is no point in training workers.
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Re: Cellular telephone towers are critical for their ability to allow wire   [#permalink] 14 Oct 2017, 23:48
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Cellular telephone towers are critical for their ability to allow wire

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