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Difficulty: EasyQuantitative Detail Extraction

During standard patrol missions, the Los Angeles-class fast attack submarine operates with a complement of 143 personnel. While submerged, the onboard atmospheric revitalization system maintains oxygen levels for up to 90 days between port calls. Routine maintenance schedules require technicians to inspect the main seawater cooling valves every 45 days. According to the passage, how many days can the onboard atmospheric revitalization system maintain oxygen levels while submerged?

Answer: 90 days

Answer

The onboard atmospheric revitalization system can maintain oxygen levels for 90 days while submerged.
The passage explicitly states that while submerged, the atmospheric revitalization system maintains oxygen levels for up to 90 days between port calls.

Step-by-Step Solution

1
Locate the sentence addressing the atmospheric revitalization system and oxygen maintenance.
Found the statement: 'While submerged, the onboard atmospheric revitalization system maintains oxygen levels for up to 90 days between port calls.'
Direct retrieval of the relevant factual statement is required to extract the requested quantity accurately.
2
Extract the numerical value tied directly to the submerged oxygen duration and verify it against adjacent figures.
The target duration is 90 days.
Differentiates the oxygen duration (90 days) from the inspection interval (45 days) and the crew size (143 personnel).

Key Concept

Direct quantitative detail extraction from informational text
Estimated Time:45s
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Topics

Quantitative Detail Extraction

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