AVIATION MAINTENANCE RATINGS 14022 CH 4

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HOW DOES CORROSION ENDANGER AIRCRAFT OR REDUCE THE MARGIN OF SAFETY?: CORROSION REDUCES THE STRENGTH AND CHANGES THE MECHANICAL CHARACTERISTICS OF THE MATERIAL.
ALL MAINTENANCE PERSONNEL MUST BE FORMALLY TRAINED IN WHAT PROGRAM?: CORROSION CONTROL.
WHAT IS THE PRIMARY FACTOR TO CONSIDER WHEN SELECTING MATERIALS FOR CONSTRUCTING AN AIRCRAFT?: WEIGHT-TO-STRENGTH RATIO.
THE DECAY OF METALS AS THEY COMBINE WITH OXYGEN IS KNOWN AS WHAT TYPE OF CORROSION?: METAL CORROSION.
WHAT DOES AN INTACT COAT OF PAINT PROVIDE TO NAVAL AIRCRAFT?: PROTECTION FROM CORROSION ENVIRONMENTS.
IN AN ELECTROCHEMICAL ATTACK, ELECTRON FLOW IS ESTABLISH IN WHICH DIRECTION?: FROM THE CATHODE TO THE ANODE.
HOW WILL HEAT, HUMIDITY, AND MOISTURE AFFECT THE ELECTROCHEMICAL REACTIONS, THAT CAUSE METAL TO CORRODE?: THEY SPEED THE CORROSION PROCESS.
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.
IN RELATION TO CORROSION, WHAT AFFECT DOES MOISTURE HAS ON AVIONICS EQUIPMENT?: MOISTURE IS THE SINGLE LARGEST CONTRIBUTOR TO AVIONICS CORROSION.
WHICH NAVAIR PUBLICATION IS ENTITLED A/C WEAPONS SYSTEMS CLEANING AND CORROSION CONTROL?: NA 01-1A-509.
NAVAIR 16-1-540 PROVIDES WHAT INFORMATION?: NA 16-1-540 PROVIDES INFORMATION ON CLEANING AND CORROSION PREVENTION AND CONTROL OF AVIONICS EQUIPMENT.
INFORMATION ON THE PRESERVATION OF NAVAL AIRCRAFT AND AICRAFT ENGINES CAN BE FOUND IN WHAT MANUAL?: NA 15-01-500, PRESERVATION OF NAVAL A/C.
WHAT INFORMATION CAN YOU FIND IN NA 01-1A-507?: GENERAL USES FOR CEMENTS, SEALANTS, AND COATINGS.
WHAT SHOULD HAPPEN TO A GOOD CORROSION PREVENTION PROGRAM WHEN CARRIER-BASED A/C RETURN TO A SHORE ACTIVITY AFTER A DEPLOYMENT?: A PERIOD OF INTENSIVE CARE SHOULD FOLLOW THE DEPLOYMENT CYCLE TO BRING THE A/C BACK UP TO STANDARD.
OPERATING UNITS THAT HAVE THE BEST SAFETY RECORDS, MAXIMUM USE OF THE A/C, AND LOWEST OPERATING COSTS WILL ALSO HAVE WHAT PROGRAM?: A GOOD CORROSION PREVENTION PROGRAM.
AT A MINIMUM, HOW OFTEN MUST AIRCRAFT BE CLEANED?: EVERY 14 DAYS.
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.
E. CHEMICAL, BIOLOGICAL, OR RADIOLOGICAL CONTAMINANTS ARE DETECTED.
WHAT MUST BE DONE ON A DAILY BASIS WITH UNPAINTED A/C SURFACES AND ACTUATING RODS?: THEY MUST BE CLEANED OR WIPE DOWN.
WHAT ARE THE MOST SERIOUS HAZARDS IN HANDLING, USING, AND STORING A/C CLEANING MATERIALS?: FLAMMABILITY AND TOXICITY.
WHY IS THERE A REQUIREMENT TO USE A RESPIRATOR WHEN WORKING WITH SOLVENTS?: INHALING TOXIC VAPOR CAN SERIOUSLY AFFECT THE BRAIN ANF CENTRAL NERVOUS SYSTEM.
WHAT MUST TO BE DONE SPECIFICALLY WHEN STORING SOLVENTS THAT CONTAIN MORE THAN 24% CHLORINATED MATERIALS?: THEY MUST BE KEPT IN SPECIALLY MARKED CONTAINERS.
WHERE MUST FLAMMABLE LIQUIDS BE STORED WHEN NOT IN USE?: IN A SEPARATE BUILDING OR-FLAMMABLE LIQUIDS STOREROOM.
BY WHAT MEANS A DRY CLEANING SOLVENT APPLIED?: IT IS APPLIED BY SPRAYING, DIPPING, BRUSHING, OR WIPING.
SAFETY SOLVENT IS CURRENTLY REFERRED TO BY WHAT NAME?: 1,1,1-TRICHLOROETHANE.
LIST THE APPLICATION PROCEDURES AND RESTRICTIONS THAT APPLY TO ML-C-81302, TYPE I AND II.: A. APPLY BY WIPING OR SCRUBBING THE AFFECTED AREA WITH AN ACID BRUSH OR TOOTHBRUSH.
B. AIR DRY OR OVEN DRY AS APPLICABLE.
C. DO NOT USE ON ACRYLIC PLASTICS OR ACRYLIC CONFORMAL COATINGS.
D. DO NOT USE ON UNSEALED ALUMINUM ELECTROLYTIC CAPACITORS.DAMAGE MAY RESULT TO END CAPS AND CAUSE LEAKAGE.
WHAT MATERIAL MUST BE AVOIDED AS A SUBSTITUTE TO ALUMINUM OXIDE ABRASIVE CLOTH AND WHY?: SILICON CARBIDE PAPER BECAUSE IT IS SHARP AND THE INDIVIDUAL GRAINS CAN PENETRATE STEEL SURFACES.
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.
TYPE I,II AND IV OF WHAT CLEANING COMPOUND ARE TO BE USED ON TACTICAL PAINT SCHEMES?: MIL-C85570.
WHAT IS THE FIRST STEP IN EFFICIENTLY CLEANING AN A/C?: SELECT THE PROPER CLEANING AGENT FOR THE METHOD OF CLEANING CHOSEN.
WHEN CLEANING AN A/C WHAT ARE THE TWO DIRECTIONS AND WHICH CLEANING COMPOUND AND RISING ARE APLIED.: UPWARD AND OUTWARD.
WHAT SUBSTANCE MAY BE USED TO SPOT-CLEAN LIGHTLY SOILED AREAS?: DRY-CLEANING SOLVENT.
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.
IN EMERGENCIES WHEN REGULAR WATERPROOF CANVAS COVERS ARE NOT AVAILABLE, WHAT MATERIALS CAN YOU USE AS COVERS AND SHROUDS?: A POLYETHYLENE SHEET, POLYETHYLENE-COATED CLOTH, OR METAL FOIL BARRIER MATERIALS.
THE GROUND HANDLING REQUIREMENTS FOR AN A/C CAN BE FOUND IN WHAT PUBLICATION?: MAINTENANCE INSTRUCTION MANUAL (MIM).
WHAT TECHNICAL PUBLICATION COVER EMERGENCY RECLAMATION PROCEDURES FOR NAVAL ACRAFT?: NA 01-1A-509.
STATE THE LEVELS AND TERMS OF PRESERVATION USED FOR NAVAL A/C?: LEVEL I-SHORT TERM, UP TO 60 DAYS.
LEVEL II-60 DAYS TO 1 YEAR.
LEVEL III-LONG TERM 1 TO 8 YRS.
WHAT LEVEL OF PRESERVATION IS REQUIRED IF AN A/C IS SCHEDULED TO REMAIN IDLE FOR MORE THAN 14 DAYS BUT LESS THAN 28 DAYS?: LEVEL I PRESERVATION.
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.
CORROSION-PREVENTIVE PETROLEUM, CLASS 3, PROVIDES PROTECTION FOR WHAT TYPE OF SURFACES?: ANTIFRICTION BEARINGS, SHOCK-STRUT PISTONS AND OTHER BRIGHT METAL SURFACES.
WHEN GENERAL PURPOSE LUBRICATION OIL VVL-800 USED?: IT IS USED WHEN A WATER DISPLACING, LOW TEMPERATURE, LUBRICATING OIL IS REQUIRED.
WHAT TYPE OF CORROSION-PREVENTIVE COMPOUND MIL-C-81309 IS USED IN AVIONICS AND ELECTRICAL EQUIPMENT?: TYPE III.
WHAT LEVEL OF ENGINE PRESERVATION REQUIRES THE FUEL SYSTEM TO REMAIN AT LEAST 95 PERCENT FULL OF FUEL FOR A PERIOD NOT TO EXCEED 60 DAYS?: LEVEL I.
WHAT TECHNICAL CORROSION MANUAL SHOULD YOU USE FOR SUPPORT EQUIPMENT?: GROUND SUPPORT EQUIPMENT CLEANING AND CORROSION CONTROL, NA 17-1-125.
WHAT ARE THE TWO SEALANTS RECOMMENDED FOR USE ON SUPPORT EQUIPMENT?: SILICONE SEALANT MIL-A 46146, TYPE I, AND POLYSULFIDE SEALANT MIL-S-81733 ORMIL-S-8802
THE TARNISHING OF SILVER IS A COMMON EXAMPLE OF WHAT TYPE OF CORROSION?: UNIFORM OR DIRECT SURFACE ATTACK.
PITTING IS THE MOST COMMON EFFECT OF CORROSION ON WHAT ALLOYS?: ALUMINUM AND MAGNESIUM ALLOYS.
PITTING CORROSION IS FIRST NOTICEABLE AS WHAT COLOR DEPOSIT ON A METAL SURFACE?: WHITE OR GRAY POWDERRY DEPOSIT.
HOW CAN CONCENTRATION CELL CORROSION CONTROLLED OR EVEN PREVENTED?: AVOID THE CREATION OF CREVICES DURING REPAIR WORK.
DEFINE INTERGRANULAR CORROSION?: IS AN ATTACK ON THE GRAIN BOUNDARIES OF ALLOYS UNDER SPECIFIC CONDITIONS.
WHAT IS USUALLY THE CAUSE OF DISSIMILAR METAL CORROSION?: IT IS USUALLY THE RESULT OF FAULTY DESIGN OR IMPROPER MAINTENANCE PRACTICES.
WHAT ARE SOME EXAMPLES OF INTERNAL STRESS CORROSION?: STRESS INDUCED BY PRESS-AND-SHRINK FITS AND THOSE IN RIVETS AND BOLTS.
WHAT CAUSES FATIGUE CORROSION?: FATIGUE CORROSION IS CAUSED BY THE COMBINED EFFECT OF CORROSION AND STRESS APPLIED IN CYCLES TO A COMPONENT.
WHAT IS THE CAUSE OF FRETTING CORROSION?: A SLIGHT VIBRATION , FRICTION, OR SLIPPAGE BETWEE TWO CONTRACTING SURFACES THAT ARE UNDER STRESS OR HEAVY LOAD.
FILIFORM CORROSION OCCURS ON WHAT TYPES OF METALS?: STEEL, ALUMINUM, AND MAGNESIUM.
THE CORROSION-PRONE AREAS FOR EACH SPECIFIC A/C ARE DERAILED IN WHAT PUBLICATION?: APPLICABLE PERIODIC MAINTENANCE INFORMATION CARDS (PMICs).
WHAT ARE THE THREE REQUIREMENTS FOR A CORROSION CELL TO FORM?: A CATHODE, AN ANODE, AND AN ELECTROLYTE.
COCKPIT FASTENERS SHOULD BE TOUCHED UP WITH WHAT COLOR PAINT?: BLACK PAINT TO PREVENT GLARE.
IN WATER ENTRAPMENT AREAS OF AN A/C, DRAINS ARE REQUIRED TO BE INSPECTED HOW OFTEN?: DAILY.
WHAT PUBLICATION SHOULD YOU REFER TO FOR INFORMATION ABOUT STRUCTURAL CORROSION?: NA 01-1A-509.
HYDRATED FERRIC OXIDE IS COMMONLY KNOWN AS WHAT KIND OF CORROSION?: IRON RUST.
WHAT ARE THE THREE TYPES OF ALUMINUM SURFACES INSOFAR AS CORROSION REMOVAL IS CONCERNED?: CLAD, ANODIZED, AND EXFOLIATED.
HOW SHOULD REMOVE CORROSION FROM CLAD ALUMINUM SURFACES?: HAND POLISH THE CORRODED AREAS WITH MIL-P688 METAL POLISH.
WHAT IS THE PRIMARY TYPE OF ALUMINUM USED ON NAVAL A/C?: NONCLAD ALUMINUM ALLOYS.
WHAT ARE THE APPROVED TOOLS FOR CLEANING ANODIZED ALUMINUM SURFACES?: ALUMINUM WOOL OR FIBER BRISTLE BRUSHES.
WHO SHOULD EVALUATE ANY LOSS OF STRUCTURAL STRENGTH IN CRITICAL AREAS OF AN A/C?: AN AERONAUTICAL ENGINEER.
WHAT MANUAL SHOULD YOU REFER TO FOR TOLERANCE LIMITS FOR DIMENSIONS OF CRITICAL STRUCTURAL MEMBERS?: STRUCTURAL REPAIR MANUALS FOR THE SPECIFIC A/C MODEL.
COPPER AND COPPER-BASED ALLOYS ARE USED IN AVIONIC SYSTEMS FOR WHAT PURPOSE?: CONTACTS, SPRINGS, CONNECTORS, PRINTED CIRCUIT BOARD RUNS, AND WIRES.
WHERE IS TITANIUM MOST OFTEN USED ON A AIRCRAFT?: IN THE ENGINE EXHAUST AREAS.
WHAT MUST YOU DO BEFORE STARTING CORROSION REMOVAL?: CONDUCT AN INSPECTION AND EVALUATION OF THE SUSPECT AREA.
HOW SHOULD YOU REMOVE MODERATE CORROSION?: EXTENSIVE HAND SANDING OR LIGHT MECHANICAL SANDING.
WHAT IS THE MOST DESIRABLE METHOD OF MECHANICAL CORROSION REMOVAL?: VACU-BLAST DRY HONING PORTABLE MACHINE.
WHAT IS THE PREFERED SURFACE PREPARATION METHOD FOR MANY OF THE COMPONENTS OF SUPPORT EQUIPMENT?: ABRASIVE OR GRIT BLASTING.
WHAT SHOULD YOU USE DURING THE ABRASIVE PROCESS TO PREVENT FLASH RUSTING?: SODIUM NITRITE MIL-S-24521.
INFORMATION REGARDING CORROSION REMOVAL LIMITATIONS CAN BE FOUND IN WHAT PUBLICATIONS?: THE APPLICABLE AIRCRAFT STRUCTURAL REPAIR MANUAL (SRM) OR THE "CORROSION" SECTION OF THE MAINTENANCE INSTRUCTION MANUAL (MIM).
WHAT IS THE PURPOSE FOR CHEMICALLY TREATING A SURFACE FOR PAINTING?: CHEMICAL CONVERSION COATINGS INCREASE A SURFACES RESISTANCE TO CORROSION AND IMPROVE PAINT BONDING TO THE SURFACE.
WHEN FAILURE OF THE COATING OCCURS, YOU SHOULD REMOVE CORROSION AND TOUCH UP THE BARE MAGNESIUM WITH WHAT CHEMICAL TREATMENT SOLUTION?: MIL-M-3171
WHAT IS THE PRIMARY PURPOSE OF ANY PAINT FINISH?: TO PROTECT OF THE EXPOSED SURFACES AGAINST DECAY.
WHEN USING PAINT REMOVERS, YOU SHOULD WEAR WHAT TYPE OF PROTECTIVE CLOTHING?: YOU SHOULD WEAR EYE PROTECTION, GLOVES AND A RUBBER APRON.
WHAT SAFETY PRECAUTION MUST BE TAKEN BEFORE CLEANING AND STRIPING OLD FINISHES ON A/C?: ENSURE THE A/C IS PROPERLY GROUNDED.
WHAT TYPE OF MOTOR SHOULD YOU USE TO POWER A FLAP BRUSH?: USE A NO LOAD 3200 RPM PNEUMATIC DRILL MOTOR.
COMPLETE INFORMATION ON THE TYPES AND APPLICATIONS OF A/C PAINT SYSTEMS IS CONTAINED IN WHAT PUBLICATION?: NA 01-1A-509.
AFTER IT IS MIXED, THE STORAGE LIFE OF EPOXY-POLYAMIDE PRIMER IS LIMITED TO THE AMOUNT THAT ACN BE USED IN HOW MANY HOURS?: 4 HOURS.
WHAT IS THE STANDARD, OF GENERAL-PURPOSE, EXTERIOR PROTECTIVE COATING FOR A/C SURFACES?: ALIPHATIC POLYURETHANE, MIL-C-85285.
WHAT ARE THE TWO CLASSES OF SPRAY GUNS?: SUCTION FEED AND PRESERVE-FEED SPRAY GUNS.
WHEN FLAMMABLE MATERIALS ARE USED,ALL SOURCES OF IGNITION MUST BE AT LEAST HOW FAR AWAY FROM THE WORK LOCATION?: 50 FEET.

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