Firefighter Reading Comprehension · Question
Passage: 'Backdraft occurs when a fire deprived of oxygen suddenly receives fresh air, igniting accumulated unburned gases explosively. Firefighters must recognize warning signs such as smoke pulsing in and out of openings, brown or yellow smoke, and superheated windows.' The main idea is:
Topic = backdraft mechanism and warning signs; the other choices are details or unrelated.
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Question: Passage: 'Backdraft occurs when a fire deprived of oxygen suddenly receives fresh air, igniting accumulated unburned gases explosively. Firefighters must recognize warning signs such as smoke pulsing in and out of openings, brown or yellow smoke, and superheated windows.' The main idea is:
Answer options:
- Fires are unpredictable ✅ How backdraft occurs and its warning signs
- Smoke is brown
- Firefighters need training
Correct answer: How backdraft occurs and its warning signs
Explanation: Topic = backdraft mechanism and warning signs; the other choices are details or unrelated.
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Related Questions
- Per the passage above, which is a warning sign of backdraft?
- In the passage, 'superheated' most nearly means:
- Scenario 1: According to the Fire Department's Standard Operating Procedure (SOP) on respiratory protection, w
- Scenario 65: According to the Fire Department's Standard Operating Procedure (SOP) on respiratory protection,
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- Scenario 66: In a pre-incident plan for a commercial building, it is noted: 'The building features a Class B s
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Question explanations
- Per the passage above, which is a warning sign of backdraft?
- In the passage, 'superheated' most nearly means:
- Scenario 1: According to the Fire Department's Standard Operating Procedure (SOP) on respiratory protection, w
- Scenario 65: According to the Fire Department's Standard Operating Procedure (SOP) on respiratory protection,
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