Aircraft Cleaning, Records
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| Which of these materials is the most cathodic? A) Zinc B) Stainless steel C) 2024 aluminum alloy | stainless steel
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| Select the solvent used to clean acrylics and rubber. A) Methyl ethyl ketone B) Aromatic naphtha C) Aliphatic naphtha | aliphatic naphtha
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| A TSO is issued by who? A) The aircraft industry B) The administrator C) Part manufacturers | the administrator
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| A non-electrolytic chemical treatment for aluminum alloys to increase corrosion resistance and paint bonding qualities is called A) alodizing B) dichromating C) anodizing | alodizing
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| When an anodized surface coat is damaged, it can be partially restored by A) chemical surface treatment B) applying a thin coat of zinc chromate primer C) use of a suitable mild cleaner | chemical surface treatment
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| What may be used to remove corrosion from highly stressed steel surfaces? A) fine grit aluminum oxide B) steel wire brushes C) medium grit carborundum paper | fine grit aluminum oxide
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| In order to reconstruct lost/destroyed records, what's needed? A) TT of airframe B) Dates of all maintenance/alterations C) Dates/times of all inspections | TT of airfame
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| Fretting is most likely to occur when A) 2 surfaces fit loosely together but move B) 2 surfaces fit tightly together but still move C) only when 2 dissimilar metals touch | 2 surfaces fit tightly together but still move
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| Select the solvent used for wipedown of cleaned surfaces before painting. A) dry-cleaning solvent B) aromatic naphtha C) aliphatic naphtha | aliphatic naphtha
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| Galvanic corrosion is severe when: A) the surfaces are the same size B) the anodic material is smaller C) the cathodic material is smaller | the anodic material is smaller
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| One way of obtaining stress corrosion cracking resistance is A) creating compressive stresses on the surface B) producing stress during cold-working C) relieving compressive stresses on the surface | creating compressive stresses on the surface
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| 1. In the corrosion process, only the cathodic area corrodes 2. In the Galvanic or Electro-Chemical Series for metals, anodic metals give up their electrons easily Which, if any, are true? | only #2
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| A primary purpose of intergranular corrosion is A) improper application of primer B) dissimilar metal contact C) improper heat treatment | improper heat treatment
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| What records must be retained for at least one year or until the work is repeated/superseded? A) records of inspection status, including time since last one B) records of maintenance and inspections C) records of time since overhaul of items | records of maintenance and inspections
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| Which of these metals is the most anodic? A) Magnesium B) 7075-T6 aluminum alloy C) cadmium | magnesium
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