AMS 261, Metals - Unit 5 Exam With
Complete Solutions
What is the first thing you do before inspecting an aircraft? - ANSWER Clean the area
3 classifications of damage: - ANSWER - Negligible
- Repairable
- Replacement
Negligible Damage - ANSWER Damage that does not affect the structural integrity of the
part and can be corrected with simple procedures
DME - ANSWER Designated Mechanic Examiner
Stop Drilling - ANSWER Drilling holes (typ. 1/8") on each end of a crack to stop the
cracking
Burnisher - ANSWER Creates a scratch in material
True or False: Shallow dents may be filled. - ANSWER True
When would you replace a part instead of repair it? - ANSWER - Damage beyond
, manufactures limitations
- Cheaper
- Location makes repair difficult
- Tools for repair are unavailable
5 variables for repair: - ANSWER - Size
- Number of rivets
- Strength
- Thickness
- Material
If a damaged member is subject to compression or bending loads, the patch should be
placed on the _____ (Inside/Outside) of the member otherwise _____ gage thicker than
original should be used - ANSWER Outside
One
Repairs that are made too strong are _____ as a repair that is made too weak. - ANSWER
As undesirable
What should be considered when choosing a material for a repair? - ANSWER - Same
alloy as original material
- Same heat treatments as original material
Complete Solutions
What is the first thing you do before inspecting an aircraft? - ANSWER Clean the area
3 classifications of damage: - ANSWER - Negligible
- Repairable
- Replacement
Negligible Damage - ANSWER Damage that does not affect the structural integrity of the
part and can be corrected with simple procedures
DME - ANSWER Designated Mechanic Examiner
Stop Drilling - ANSWER Drilling holes (typ. 1/8") on each end of a crack to stop the
cracking
Burnisher - ANSWER Creates a scratch in material
True or False: Shallow dents may be filled. - ANSWER True
When would you replace a part instead of repair it? - ANSWER - Damage beyond
, manufactures limitations
- Cheaper
- Location makes repair difficult
- Tools for repair are unavailable
5 variables for repair: - ANSWER - Size
- Number of rivets
- Strength
- Thickness
- Material
If a damaged member is subject to compression or bending loads, the patch should be
placed on the _____ (Inside/Outside) of the member otherwise _____ gage thicker than
original should be used - ANSWER Outside
One
Repairs that are made too strong are _____ as a repair that is made too weak. - ANSWER
As undesirable
What should be considered when choosing a material for a repair? - ANSWER - Same
alloy as original material
- Same heat treatments as original material
