Which statement is true?

1. A Maule fabric tester is FAA approved, but a Seyboth tester is not.

2. The test strip method is an approved way of testing fabric.

3. Maule and Seyboth testers are FAA approved methods of testing fabric

Question

Which statement is true?

1. A Maule fabric tester is FAA approved, but a Seyboth tester is not.

2. The test strip method is an approved way of testing fabric.

3. Maule and Seyboth testers are FAA approved methods of testing fabric

BlackTom AI · Accepted Answer

The FAA recognizes the test-strip tensile method as an accepted way to verify the strength of aircraft fabric coverings, so statement 2 is correct.

Relevant knowledge points and concepts:
- Aircraft fabric strength is determined by cutting representative test strips from the covering and measuring tensile strength; results are compared to the original fabric specification or minimum allowable values.
- Maule and Seyboth are commercial types of fabric testers (devices used to perform tensile tests), but the FAA does not formally "approve" a specific brand name device as the only acceptable instrument. Instead, the FAA accepts recognized test methods (properly performed and calibrated) and equipment that produces equivalent, documented results.

Step-by-step reasoning:
1. Identify the accepted method: The test-strip method (cutting standard-width strips and performing tensile tests) is a recognized, documented procedure to assess remaining fabric strength. This is the procedural method the FAA acknowledges for inspection and return-to-service decisions.
2. Examine statements about specific devices: Statement 1 claims Maule is FAA approved but Seyboth is not. The FAA does not typically issue brand-specific approvals for fabric testers; acceptance depends on method, calibration, and documentation, not a brand-name endorsement. Therefore statement 1 is false.
3. Statement 3 claims both Maule and Seyboth are FAA approved. Again, because FAA acceptance hinges on method and equivalence rather than blanket brand approvals, this blanket claim is false.
4. Statement 2, asserting that the test strip method is an approved way of testing fabric, aligns with FAA-accepted practice and is therefore true.

Why the correct answer is correct:
The test-strip tensile method is the standard practical procedure to determine fabric condition and is the basis for judgment on serviceability. Specific hardware brands are not singled out by the FAA as universally “approved.”

Why other options are incorrect:
- Option 1 is incorrect because it wrongly asserts a brand-specific FAA approval distinction.
- Option 3 is incorrect because it claims both brands are FAA approved, which misstates FAA practice of approving methods/equivalence rather than brand names.

Conclusion: Statement 2 is correct, matching the provided answer.

Which statement is true? 1. A Maule fabric tester is FAA approved, but a Seyboth tester is not. 2. The test strip method is an approved way of testing fabric. 3. Maule and Seyboth testers are FAA approved methods of testing fabric单项选择题

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