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What is the greatest threat to the structural integrity of an aircraft? |
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Formal training in corrosion control is a requirement for all maintenance personnel. |
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Definition
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The materials used in the construction of an aircraft chosen according to their |
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Definition
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Metals corrosion is defined as the deterioration of metals as they combine with |
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Definition
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Term
On naval aircraft, what materials are used most often to separate susceptible alloys from the corrosive environment? |
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Definition
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Term
Which of the following is a description of the flow of electrons during electrochemical attack of a metal? |
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Definition
Electrons flow from the cathodic area to the anodic area, resulting in the deterioration of the anodic area. |
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Term
Which of the following conditions are factors in the electrochemical reaction that causes metals to corrode? |
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Definition
Heat, humidity and moisture |
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Term
Because variations in their composition, which of the following aircraft surfaces is the most susceptible to corrosive attack? |
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Definition
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Term
Which of the following conditions is the single greatest contributor to avionics corrosion? |
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Definition
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Term
Which of the following publications provides information on aircraft corrosion control for organizational - level maintenance? |
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Definition
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Term
Which of the following publications provides information on aircraft cleaning? |
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Definition
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Term
Which of the following publications provides information on avionics cleaning and corrosion prevention and control? |
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Definition
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Term
Which of the following publications provides information on the preservation of aircraft engine? |
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Definition
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Term
Which of the following publications provides information on the preservation of the naval aircraft? |
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Definition
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Term
Which of the following publications provides information on the general use of cements, sealants and coatings used on aircraft? |
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Definition
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Term
When carrier-based aircraft are transferred to shore activities. What happens to the scope of most corrosion preventive programs? |
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Definition
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Term
Normally, aircraft squadrons with the best corrosion preventive programs have which of the following benefits? |
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Definition
1. The best safety records 2. The most use of the aircraft 3. The lowest operating costs 4. All of the above Answer: 4. All of the above |
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Term
As directed by NAVAIR, aircraft deployed aboard an aircraft carrier will be washed and cleaned a minimum of how often? |
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Definition
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Term
Mandatory aircraft cleaning is always required after an aircraft is exposed to which of the following substances? |
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Definition
Fire-extinguishing materials splashed on the landing gear. |
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Term
Unpainted surfaces of struts and actuating cylinder rods should be cleaned or wiped down at what prescribed interval? |
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Definition
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Term
When handling, using and storing aircraft cleaning materials, What is/are the most serious hazard(s) you will meet? |
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Definition
Flammability and toxicity |
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Term
When using hazardous chemicals, you should wear which of the following protective devices? |
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Definition
1. Gloves and aprons 2. A face shield 3. An approved respirator 4. Each of the above Answer: 4. Each of the above |
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Term
solvents must be kept in specially marked containers if they contain more than what percent by volume of chlorinated materials? |
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Definition
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Term
When volatile and flammable materials are not being used, they should be stored in which of following areas? |
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Definition
Inside a separate building or flammable liquids storeroom. |
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Term
What solvent is generally used as an all-purpose cleaner in naval aviation maintenance? |
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Definition
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Term
Which of the following solvents is an alternate compound for cleaning acrylics? |
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Definition
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Term
Safety solvent is intended for use when a high flashpoint is required. You should NOT use safety solvent to clean which of the following areas of an aircraft? |
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Definition
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Term
To neutralize the effects of urine and waste products in the lavatories of aircraft, you should use which of the following cleaning agents? |
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Definition
Ammonium hydroxide or sodium bicarbonate |
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Term
In an intermediate maintenance activity, an avionics/ electrical maintenance branch that operates a "clean room" should use what type of MIL-C-81302 Freon cleaner? |
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Definition
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Term
To produce a high-luster, long-lasting polish on an unpainted aluminum clad surface, you should use what mechanical cleaner? |
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Definition
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Term
Which of the following devices should you use to perform a fast and economical cleaning of an aircraft? |
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Definition
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Term
There are several steps that you must take before you can actually clean an aircraft. Which of the steps listed below is the first one you should take? |
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Definition
Select the correct cleaning agent for the method of cleaning that you will use |
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Term
Which of the following cleaning compounds should be used to clean an aircraft that is painted with the tactical paint system? |
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Definition
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Term
To ensure complete cleaning and rinsing of all aircraft surfaces, you should use which of the following washing sequences? |
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Definition
Underside of wings, underside of fuselage and tail, upper wing and fuselage center section, upper surfaces of fuselage and section, including vertical stabilizer |
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Term
Surfaces that are lightly soiled with oil may be spot-cleaned by wiping them with which of the following substances? |
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Definition
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Term
In an emergency when an aircraft is without a regular waterproof canvas cover, suitable covering and shrouding may be accomplished by the use of which of the following materials? |
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Definition
Polyethylene sheet, polyethylene-coated cloth, and metal foil barrier material |
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Term
Where should you place the cowling and access panels when they are removed during a maintenance task? |
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Definition
On a pad or secure them to the aircraft |
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Term
The size and composition of an emergency reclamation team is determined by which of the following criteria? |
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Definition
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Term
Under which of the following conditions is an aircraft most susceptible to a corrosive attack? |
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Definition
When it is not being flown or when it is in shipment |
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Term
There are a total of how many levels of preservatives methods used on naval aircraft? |
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Definition
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Term
Level III preservation is used to preserve aircraft for what situation? |
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Definition
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Term
Level I preservation should be applied to an aircraft when it is out-of-service for more than what minimum number of days? |
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Definition
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Term
Which of the following publications contains the requirements for Level I preservation? |
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Definition
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Term
Which of the following is the main disadvantage of grade IV corrosion preventive compound (paralketone)? |
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Definition
It is easily removed by water spray |
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Term
What preservative compound should be used to provide protection for shock struts? |
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Definition
Corrosion-preventive petroleum, class 3 |
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Term
Piano-wire hinges require lubricating and corrosion-protection. What water-displacing, low-temperature lubricating oil should you use? |
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Definition
Lubricating oil, general-purpose, preservatives, VV-L-800 |
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Term
You should use corrosion preventive compound MIL-C-81309, type III, on which of the following equipment? |
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Definition
Avionic and electrical equipment |
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Term
Which of the following is a laminated metal-foil material used for the protection of acrylics during cleaning? |
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Definition
Water vapor proof barrier material |
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Term
You should check for corrosion and deterioration during which of the following inspections? |
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Definition
Daily, phase and postflight |
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Term
Corrosion may occur in several forms, depending on which of the following factors? |
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Definition
Metal involved, atmospheric conditions and corrosion-producing agents present |
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Term
Threadlike filaments that form under organic substances (such as paint film) |
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Definition
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Term
Fungus growths on the sealing materials of integrals of integral fuel tanks. |
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Definition
Microbiological corrosion |
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Term
slipping movement between two mating metal surfaces. |
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Definition
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Term
Uniform etching of the metal surfaces? |
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Definition
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Term
Shallow indentations on deep cavities of small diameter that form on metal surfaces? |
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Definition
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Term
Caused by the difference in concentration of the electrolyte or the active metal on the anode and cathode? |
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Definition
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Term
Corrosive attack along the grain boundaries of a metal alloy? |
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Definition
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Term
Metal fractures caused by the combined effects of corrosion and stress applied in cycles to a part? |
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Definition
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Term
Dissimilar metals in contact in a corrosive medium, such as salt water? |
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Definition
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Term
Lifting up of the metal surface cause by the force of expanding corrosion products occurring at the grain boundaries just below the metal surface? |
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Definition
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Term
To identify all the corrosion-prone areas of your squadron's aircraft, you should refer to which of the following publications? |
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Definition
Applicable Periodic Maintenance Information Cards (PMICs) |
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Term
When avionic and structural corrosion is compared, which of the following effects is the main difference between avionic and structural corrosion? |
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Definition
Small amounts of corrosion can make avionic systems inoperable |
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Term
Before performing any maintenance on avionic or electrical systems, you should make sure that you have completed which of the following actions? |
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Definition
Secure all external electrical power |
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Term
What type of corrosion is usually found around electrical bonding and grounding straps? |
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Definition
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Term
You are inspecting an aircraft ejection seat. It is very important that even the slightest indication of corrosion be found for which of the following reasons? |
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Definition
Slight amounts of corrosion may cause the seat to be inoperable |
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Term
When inspecting engine frontal areas and cooling air vents. What type of discrepancy(ies) are you likely to find? |
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Definition
Dirt, dust, gravel and rain erosion |
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Term
One corrosion-prone area of an aircraft is the bilge area. What condition is the best insurance against corrosion in this area? |
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Definition
Frequent inspections of the bilge area |
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