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Difficulty: MediumParaphrased Fact Recognition

Read the passage below:

In commercial aircraft de-icing operations, ground crews apply heated Type I fluid at high pressure to shear accumulated frozen contaminants from aerodynamic surfaces. Because Type I fluid possesses minimal viscosity and sheds rapidly during taxi, it provides virtually no ongoing protection against active precipitation. Consequently, when freezing precipitation persists, technicians immediately apply unheated, high-viscosity Type IV anti-icing fluid. This specialized polymer forms a temporary protective barrier across the wings that absorbs freezing moisture until takeoff speeds generate sufficient airflow to shear the gel away.

Match each operational detail from the passage with its most accurate paraphrased equivalent.

  • The procedure used to eliminate pre-existing frozen buildupUsing thermal energy and pressurized force to strip away ice accumulation
  • The operational drawback of the initial de-icing liquidRunning off rapidly during ground transit and providing negligible shielding against active winter weather
  • The protective action of the secondary anti-icing polymerForming an absorbent coating that retains moisture until acceleration during departure blows it clear

Answer

The procedure to eliminate pre-existing frozen buildup matches using thermal energy and pressurized force; the operational drawback of the initial liquid matches running off rapidly during ground transit without shielding against falling weather; the protective action of the secondary polymer matches forming an absorbent coating until departure acceleration blows it clear.
Each passage concept is paired with an accurate semantic restatement that preserves the exact meaning of the original sentences while utilizing different syntactic structures and vocabulary.

Step-by-Step Solution

1
Analyze the specific factual details described in the passage regarding de-icing procedures, fluid limitations, and secondary polymer mechanics.
Identified three distinct factual details: high-pressure heated application for ice removal, low viscosity causing rapid loss during taxiing, and viscous barrier absorption until takeoff velocity clears the gel.
Accurate paraphrase recognition requires isolating the explicit factual boundaries in the source text before evaluating alternative wording.
2
Map the technical verbs and descriptors from the passage to synonymous expressions.
'Heated... high pressure to shear' maps to 'thermal energy and pressurized force to strip away'; 'minimal viscosity and sheds rapidly during taxi' maps to 'running off rapidly during ground transit'; 'absorbs freezing moisture until takeoff speeds' maps to 'retains moisture until acceleration during departure'.
Recognizing restatements tests whether the reader comprehends equivalent conceptual meaning across altered vocabulary and syntax.
3
Verify that all pairs maintain the exact logical relationships without causal inversions or unwarranted additions.
Each pair reflects the exact factual scope and conditions stated in the original paragraph.
Ensures that distractor traps containing altered facts or reversed causes are rejected.

Key Concept

Paraphrased Fact Recognition
Estimated Time:1m 15s
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Paraphrased Fact Recognition

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