Composite Inspection Methods Quiz

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What is the most frequently used inspection method in aviation?

Visual Inspection (correct)

Radiographic Testing

Ultrasonic Testing

Eddy Current Testing

Why are multiple methods used in composite inspection and non-destructive testing?

To increase the costs of inspection

To confuse the personnel performing the inspection

To reduce the efficiency of the inspection process

To accurately determine the airworthiness of the structure (correct)

What is the purpose of determining the classification of damage in a composite structure?

To increase the complexity of inspections

To determine whether the damage is repairable or if the part must be replaced (correct)

To delay the repair procedures

To complicate the repair process

Why is ongoing inspection necessary for composite structures?

To ensure any damages are identified promptly Signup and view all the answers

What does thorough inspection of a damaged composite structure involve?

Inspecting beyond the immediately apparent defect Signup and view all the answers

Which document outlines inspection procedures, damage classification factors, and recommended repair methods for composite structures?

Manufacturer’s Structural Repair Manual Signup and view all the answers

What could happen if moisture enters the core structure of a composite material along with airflow?

It could cause a small delamination. Signup and view all the answers

Why are bolted and bonded surface patches not usually recommended for composite repairs?

They do not restore the strength characteristics of the original structure. Signup and view all the answers

What is the purpose of resin injection repairs in composite materials?

Filling holes or voids by injecting resin into damaged areas. Signup and view all the answers

Which type of damage would require repair procedures ranging from surface scratches to damage extending through all internal plies and core honeycomb material?

Damage extending through all internal plies and core honeycomb material. Signup and view all the answers

Why might tiny holes, known as pinholes, in the skin surface of composites be dangerous?

They may not be easily detected but can lead to extensive damage. Signup and view all the answers

What is the main reason why resin injections are usually performed on non-structural parts during repairs?

To fill holes or voids in non-structural components. Signup and view all the answers

What is the most desirable type of permanent repair for composite structures?

Laminating new repair plies in the damaged area Signup and view all the answers

What is the purpose of defining the repair procedure in composite repairs?

To ensure the structural integrity of the repair Signup and view all the answers

What role does NDI play in the damage assessment and repair process of composites?

It is used to inspect the repair site for structural integrity Signup and view all the answers

How do potted repairs differ from core material plugs in composite repairs?

Core material plugs add weight and decrease flexibility Signup and view all the answers

What is the final step in the composite damage assessment and repair process?

Documenting the repair Signup and view all the answers

Why does filling a hole with a resin-and-filler mixture impact the repaired part?

It decreases flexibility and adds weight Signup and view all the answers

How can laminate damage that runs through all laminate layers be repaired?

Using a step-cut repair from one side of the part to the other Signup and view all the answers

What should be considered when repairing laminate damage according to the text?

The manufacturer's repair manual for limitations Signup and view all the answers

What is the purpose of a surface patch and backing plate in the repair process?

To strengthen the repair and provide support Signup and view all the answers

How does the repair method differ for thicker laminate structures according to the text?

Thicker laminates use a modified two-sided step-cut repair Signup and view all the answers

What is the result of performing a two-sided step-cut repair on a five-layer laminate according to the text?

A patch that is larger than if a one-sided repair was performed Signup and view all the answers

What is illustrated in View B of the laminate repair process?

A two-sided step-cut repair that meets in the middle Signup and view all the answers

What is the primary reason sandwich structures are vulnerable to impact and puncture damage?

Delaminations in the face sheets Signup and view all the answers

When is potted repair suitable for sandwich structure damage?

For damage up to 1 in. in diameter Signup and view all the answers

What orientation should the grain of a balsa wood plug have when used for sandwich structure repairs?

Perpendicular to the skin Signup and view all the answers

What type of core material should be used if honeycomb material is selected for sandwich structure repairs?

Same density as the original Signup and view all the answers

Which of the following is NOT a common type of sandwich structure repair mentioned in the text?

Composite honeycomb plug bonding Signup and view all the answers

In sandwich structure repairs, why is it crucial to cut a balsa wood or composite honeycomb plug with care?

To prevent delaminations Signup and view all the answers

Composite Inspection Methods Quiz

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Questions and Answers

What is the most frequently used inspection method in aviation?

Why are multiple methods used in composite inspection and non-destructive testing?

What is the purpose of determining the classification of damage in a composite structure?

Why is ongoing inspection necessary for composite structures?

What does thorough inspection of a damaged composite structure involve?

Which document outlines inspection procedures, damage classification factors, and recommended repair methods for composite structures?

What could happen if moisture enters the core structure of a composite material along with airflow?

Why are bolted and bonded surface patches not usually recommended for composite repairs?

What is the purpose of resin injection repairs in composite materials?

Which type of damage would require repair procedures ranging from surface scratches to damage extending through all internal plies and core honeycomb material?

Why might tiny holes, known as pinholes, in the skin surface of composites be dangerous?

What is the main reason why resin injections are usually performed on non-structural parts during repairs?

What is the most desirable type of permanent repair for composite structures?

What is the purpose of defining the repair procedure in composite repairs?

What role does NDI play in the damage assessment and repair process of composites?

How do potted repairs differ from core material plugs in composite repairs?

What is the final step in the composite damage assessment and repair process?

Why does filling a hole with a resin-and-filler mixture impact the repaired part?

How can laminate damage that runs through all laminate layers be repaired?

What should be considered when repairing laminate damage according to the text?

What is the purpose of a surface patch and backing plate in the repair process?

How does the repair method differ for thicker laminate structures according to the text?

What is the result of performing a two-sided step-cut repair on a five-layer laminate according to the text?

What is illustrated in View B of the laminate repair process?

What is the primary reason sandwich structures are vulnerable to impact and puncture damage?

When is potted repair suitable for sandwich structure damage?

What orientation should the grain of a balsa wood plug have when used for sandwich structure repairs?

What type of core material should be used if honeycomb material is selected for sandwich structure repairs?

Which of the following is NOT a common type of sandwich structure repair mentioned in the text?

In sandwich structure repairs, why is it crucial to cut a balsa wood or composite honeycomb plug with care?

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