A fabric is considered unairworthy when its remaining strength is less than what percent of its original strength?

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Prepare for the Aircraft Maintenance Technician 40 OandP Exam. Practice with flashcards and multiple choice questions. Each question is accompanied by hints and explanations to support your learning. Ace your exam with confidence!

Multiple Choice

A fabric is considered unairworthy when its remaining strength is less than what percent of its original strength?

Explanation:
Fabric strength retention is the criterion used to determine if aircraft fabric coverings are still airworthy. After aging and use, fabric loses strength, and the threshold used is that it must retain at least 70% of its original tensile strength. If the remaining strength drops below 70%, the fabric is considered unairworthy and must be replaced or re-covered. So the correct rule is that anything less than 70% of the original strength makes the fabric unairworthy, with 70% itself still considered acceptable.

Fabric strength retention is the criterion used to determine if aircraft fabric coverings are still airworthy. After aging and use, fabric loses strength, and the threshold used is that it must retain at least 70% of its original tensile strength. If the remaining strength drops below 70%, the fabric is considered unairworthy and must be replaced or re-covered. So the correct rule is that anything less than 70% of the original strength makes the fabric unairworthy, with 70% itself still considered acceptable.

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