AVIATION MAINTENANCE RATINGS 14022 CH 4

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momo61
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22783
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AVIATION MAINTENANCE RATINGS 14022 CH 4
Updated:
2010-06-09 09:38:58
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amr
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amr chapter 4
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  1. WHAT ARE THE MOST SERIOUS HAZARDS IN HANDLING, USING, AND STORING A/C CLEANING MATERIALS?
    FLAMMABILITY AND TOXICITY
  2. WHO SHOULD EVALUATE ANY LOSS OF STRUCTURAL STRENGTH IN CRITICAL AREAS OF AN A/C?
    AN AERONAUTICAL ENGINEER.
  3. WHY ARE THICK STRUCTURAL SECTIONS MOST SUSCEPTIBLE TO CORROSION ATTACK?
    THICK SECTIONS ARE MORE LIKELY TO HAVE VARIATIONS IN THEIR COMPOSITION, PARTICULARLY IF HEAT-TREATED DURING FABRICATION
  4. WHAT ARE THE TWO CLASSES OF SPRAY GUNS?
    SUCTION FEED AND PRESERVE-FEED SPRAY GUNS
  5. WHAT IS THE STANDARD, OF GENERAL-PURPOSE, EXTERIOR PROTECTIVE COATING FOR A/C SURFACES?
    ALIPHATIC POLYURETHANE, MIL-C-85285
  6. WHY DRY-CLEANING SOLVENT NOT BE USED IN OXYGEN AREAS OR AROUND OXYGEN EQUIPMENT?
    IT IS NOT OXYGEN COMPATIBLE AND WILL CAUSE EXPLOSION OR FIRE
  7. FILIFORM CORROSION OCCURS ON WHAT TYPES OF METALS?
    STEEL, ALUMINUM, AND MAGNESIUM.
  8. THE DECAY OF METALS AS THEY COMBINE WITH OXYGEN IS KNOWN AS WHAT TYPE OF CORROSION?
    METAL CORROSION
  9. HOW WILL HEAT, HUMIDITY, AND MOISTURE AFFECT THE ELECTROCHEMICAL REACTIONS, THAT CAUSE METAL TO CORRODE?
    THEY SPEED UP THE CORROSION PROCESS.
  10. WHAT MUST YOU DO BEFORE STARTING CORROSION REMOVAL?
    CONDUCT AN INSPECTION AND EVALUATION OF THE SUSPECT AREA
  11. WHAT TECHNICAL PUBLICATION COVER EMERGENCY RECLAMATION PROCEDURES FOR NAVAL ACRAFT?
    NA 01-1A-509.
  12. WHERE MUST FLAMMABLE LIQUIDS BE STORED WHEN NOT IN USE?
    IN A SEPARATE BUILDING OR-FLAMMABLE LIQUIDS STOREROOM
  13. WHEN CLEANING AN A/C WHAT ARE THE TWO DIRECTIONS AND WHICH CLEANING COMPOUND AND RISING ARE APLIED.
    UPWARD AND OUTWARDUPWARD AND OUTWARD
  14. PITTING CORROSION IS FIRST NOTICEABLE AS WHAT COLOR DEPOSIT ON A METAL SURFACE?
    WHITE OR GRAY POWDERRY DEPOSIT.
  15. LIST THE CONDITIONS THAT REQUIRE THE AFFECTED AREAS OF AN A/C TO BE CLEANED IMMEDIATELY?
    • A. A/C IS EXPOSED TO CORROSIVE FIRE-EXTINGUISHING MATERIALS.
    • B. SPILLED ELECTROLYTE AND CORROSIVE DEPOSITS ARE FOUND AROUND BATTERY TERMINALS AND BATTERY AREA,
    • C. THE A/C HAS BEEN EXPOSED TO SIGNIFICANT AMOUNTS OF SALT WATER.
    • D. SALT DEPOSITS, RELIEF TUBE WASTE OR OTHER CONTAMINANTS ARE APPARENT.
    • E. FUNGUS GROWTH IS APPARENT.
    • F. CHEMICAL, BIOLOGICAL, OR RADIOLOGICAL CONTAMINANTS ARE DETECTED.
  16. WHAT IS USUALLY THE CAUSE OF DISSIMILAR METAL CORROSION?
    IT IS USUALLY THE RESULT OF FAULTY DESIGN OR IMPROPER MAINTENANCE PRACTICES
  17. WHAT SHOULD YOU USE DURING THE ABRASIVE PROCESS TO PREVENT FLASH RUSTING?
    SODIUM NITRITE MIL-S-24521.
  18. MIL-C-16173, CORROSION PREVENTIVE COMPOUND, IS AVAILABLE IN THREE GRADES. WHICH GRADE(S) IS/ARE EASILY TO REMOVED WITH DRY-CLEANING SOLVENT?
    ALL THREE. GRADE I, II AND IV.
  19. WHAT IS THE MOST DESIRABLE METHOD OF MECHANICAL CORROSION REMOVAL?
    VACU-BLAST DRY HONING PORTABLE MACHINE
  20. HOW DOES CORROSION ENDANGER AIRCRAFT OR REDUCE THE MARGIN OF SAFETY?
    CORROSION REDUCES THE STRENGTH AND CHANGES THE MECHANICAL CHARACTERISTICS OF THE MATERIAL.
  21. THE CORROSION-PRONE AREAS FOR EACH SPECIFIC A/C ARE DERAILED IN WHAT PUBLICATION?
    APPLICABLE PERIODIC MAINTENANCE INFORMATION CARDS (PMICs).
  22. WHY IS THE CONFORMABLE APPLICATOR CLEANING PAD BETTER THAN A MOP OR BRISTLE BRUSH WHEN CLEANING A/C SURFACES?
    BECAUSE IT CONFORMS TO THE SURFACE , THE APPLICATOR ALLOWS EASIER APPLICATION OF A CONSTANT SCRUBBING PRESSURE ON CURVED SKIN PANELS

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