Examkin

Question

Difficulty: HardParagraph Summarization

Read the passage below:

Modern nuclear-powered submarines rely on electrolytic oxygen generators to sustain crew life during extended submerged deployments. These systems split demineralized water into hydrogen and oxygen through electrolysis. While the vital oxygen is circulated throughout the hull to maintain atmospheric balance, the byproduct hydrogen gas presents a severe flammability risk. Consequently, automated catalytic burners recombine or overboard-discharge systems vent the hydrogen safely into the sea. Although carbon dioxide scrubbers and trace contaminant removers also operate in tandem, the controlled management of electrolytic oxygen production and hydrogen mitigation remains the foundational cornerstone of prolonged submerged operations.

Evaluate the following statement: The passage is best summarized as an explanation of how catalytic burners and carbon dioxide scrubbers maintain safety aboard submerged submarines.

Answer: Answer

Answer

False
The statement is false because it mischaracterizes the central point of the paragraph. The passage focuses on the dual imperative of generating breathable oxygen via electrolysis and mitigating the resulting hydrogen gas during extended submarine missions. Catalytic burners and carbon dioxide scrubbers are merely supporting details within that broader system.

Step-by-Step Solution

1
Analyze the scope and primary subject of the passage.
The text explains how electrolytic oxygen generators function to sustain submarine crews while managing the dangerous hydrogen byproduct created during electrolysis.
A comprehensive summary must capture both the main objective (oxygen generation) and the primary operational challenge (hydrogen mitigation).
2
Evaluate the proposed summary statement against the entire text.
The proposed statement isolates catalytic burners and carbon dioxide scrubbers as the primary topic, treating auxiliary safety mechanisms as the central focus.
The passage explicitly describes scrubbers as operating 'in tandem' and burners as secondary risk mitigation, making them supporting details rather than the main idea.
3
Determine the truth value of the proposed summary.
The statement represents a detail trap and fails to capture the overall passage content, making it false.
An accurate summary cannot substitute supporting safety details for the overarching process of electrolytic life support.

Key Concept

Synthesizing paragraph main ideas while distinguishing central themes from supporting details and secondary equipment.
Estimated Time:1m 15s
Rate this question

Topics

Paragraph Summarization

More questions from this topic