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Difficulty: EasyParaphrased Fact Recognition

Industrial cooling towers continuously dissipate heat by circulating warm water across internal fill media while fans draw ambient air upward. During this evaporative cooling cycle, high-velocity airflow can carry microscopic water droplets out through the exhaust stack, a loss known as drift. To prevent this water loss and protect surrounding equipment from mineral scaling, technicians install drift eliminators directly above the spray nozzles. These specialized baffle structures force the rising vapor stream through sudden directional shifts. Because liquid droplets possess greater inertia than the surrounding air, they strike the baffle walls, coalesce into larger drops, and drain back down into the cold water basin.

According to the passage, what allows drift eliminators to capture escaping moisture droplets?

  1. A
    draw ambient air upward to continuously dissipate heat from surrounding equipment
  2. have greater physical momentum than air, causing them to impact redirected surfacesAnswer
  3. C
    produce high-velocity airflow that accelerates the evaporative cooling cycle
  4. D
    condense rapidly when exposed to chemical refrigerants inside the exhaust stack

Answer

Droplets have greater physical momentum than air, causing them to impact redirected surfaces.
The passage directly explains that when the vapor path is redirected, water droplets collide with the baffle walls because they possess greater inertia than air. The correct choice provides an accurate restatement of this mechanism by noting that the droplets' momentum causes them to strike redirected surfaces.

Step-by-Step Solution

1
Locate the detail in the text describing how drift eliminators physically collect water droplets.
Found the detail stating that baffle structures cause abrupt directional shifts and that liquid droplets possess greater inertia than air, causing them to strike baffle walls.
Direct fact and paraphrase questions require pinpointing the exact explanatory clause in the passage.
2
Evaluate the answer choices to identify the statement that restates this factual detail using synonyms and syntactic restructuring.
Matched 'greater inertia' to 'greater physical momentum' and 'strike the baffle walls' during 'directional shifts' to 'impact redirected surfaces'.
Paraphrased fact recognition assesses comprehension of meaning rather than matching verbatim words.

Key Concept

Identifying factual information restated through synonyms and structural changes without falling for verbatim distractors.
Estimated Time:45s
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Topics

Paraphrased Fact Recognition

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