题库> 逻辑 CR> CR-3e6rlh

题目选项分析

Traverton`s city council wants to minimize the city`s average yearly expenditures on its traffic 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 significantly less energy and cost no more to purchase. Moreover, the costs associated with the conversion of existing fixtures 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?

【选项】Whether the crews that currently replace incandescent bulbs in Traverton`s traffic signals know how to convert the existing fixtures so as to accept LED arrays

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG12-7
  • 题目来源2:OG15-10
  • 题目来源3:OG16-9
  • 题目来源4:OG17-553
正确率:54%