Atbmr
Filiform corrosion occurs when the relative humidity of the air is between 65 and 90%, and the air temperature is between what? (
70 and 100F
What is a liquid (usually water) solution containing ions? (
Electrolyte
The primary goal of the what is to accomplish the necessary salvage operations after an aircraft accident? (
Emergency Reclamation Team
For revisions and changes to Naval Air Training and Operating Procedures Standardization (NATOPS) program publications, refer to what instruction? (
OPNAVINST 3710.7
What is a particularly active form of oxygen which is formed naturally during thunderstorms, by arcing in electrical devices, and by photochemical reactions in smog? (
Ozone
What is intended to protect equipment or components against corrosion, deterioration, and physical damage during transportation and storage? (
Packaging
What revision incorporates the basic manual, all previous changes and the new data that would require the issuance of an additional change? (
Pick-up
What is a form of extremely localized attack that results in holes in the metal? (
Pitting
What compounds are used to encase a part or component, such as in an electrical connector? (
Potting
When corrosion products form, they often precipitate onto the corroding surface as a what? (
Powdery deposit
What are complete, formal changes to applicable TMs? (
RACs
What are issued by Naval activities or Contract Administrative Offices (CAOs) as a complete formal change to a TM (including all associated front matter)? (
RACs
A WP may be changed when one or morePages have been affected by the current change to the WP manual, or when a WP must have what issued against it?
Rapid Action Change (RAC)
What constitutes a complete reissue of a manual with all updated information incorporated? (
Revision
What manual change is the official release of new or corrected Pages to a part or portion of an existing document?
Routine
What corrosion is probably the most common type? (
Uniform surface
Some of the least recognized contributors to corrosion are sand, dust, and what else? (
Volcanic ash
In arid regions such as deserts, small sand particlesare often blown as high as how many feet by the siroccos (hot, dust laden winds)? (
10,000
The tropical environment is sustained by long periods of heavy rainfall, during which as many as how many inches of rain may fall? (
100
There are over how many elements? (
100
Titanium and titanium alloys find numerous uses in aircraft, engines, and missiles at temperatures up to what? (
1000F
Ideal growth conditions for most fungi and bacteria are temperatures between 68 and what? (
104F
Most fungus growth is inhibited by temperatures above what temperature? (
104F
Theincorporation of the IRAC into the TM shall be accomplished during the next scheduled formal update, but no later than how many months after their release date whichever comes first? (
12
Nonmetallic materials suffer the most damage from the hot desert climates, where air temperatures during the day may reach what? (
124F
What attack includes the action of bacteria, fungi, or molds? (
Microbial attack
What is present in air as a gas (water vapor) or as finely divided droplets of liquid (mist or fog)? (
Moisture
What is the method for correcting minor errors in NAVAIR TMs that do not require the issuance of a formal change? (
NAVAIR TM Notice
TMs are updated through the issuance of Rapid Action Changes (RACs)/Interim Rapid Action Changes (IRACs), Formal Changes, Revisions, Pick-up Revisions, or what else? (
NAVAIR TM Notices
Most alloys are made up entirely of small crystalline regions called what? (
Grains
The determination to issue TM RACs shall be made by the commercial or government cognizant TM preparing activity incoordination with the program NATEC Technical Data what? (
Logistics Element Manager (LEM)
Most military equipment is intended for service in what environments? (
Low pressure (high altitude)
Since corrosion productsoccupy more volume than the original metal, the paint surfaces may becomeblistered, flaked, chipped, or appear what? (
Lumpy
ERACs meet the electronic requirements of specific platforms and are issued in accordance with those conditions warranting an IRAC as defined in what? (
MIL-DTL-81748
For electronic linking of IRACs to digital TMs, refer towhat? (
MIL-DTL-81748E
Equipment should be properly packaged in accordance with what to minimize damage during shipment? (
MIL-STD-2073-1
The metals most commonly used in aircraftconstruction are aluminum, steel, titanium, and what else? (
Magnesium
What parts are particularly susceptible to corrosion attack while exposed to salt water, water immersion, or fire extinguishing agents? (
Magnesium
Most front-line combat aircraft average how many hours per day in flight operations? (
1 to 2
Aluminum alloy can fail by stress corrosion cracking when subjected to a stress which is only what percent of its rated strength? (
10%
When added to stainless steel alloys, the stress corrosion resistance increases with nickel contents above what? (
10%
Normal sea winds can carry from 10 to how many pounds of seasalt per cubic mile of air? (
100
The primary source of the worlds salt is the ocean, which is what percentage of salt? (
3.5 to 3.9%
The vertical line change symbol shall be what in width? (
3/32 inch
Emergency procedures shall not commence until authorized by the what? (
Accident Investigation Board
What bacteria require oxygen to live? (
Aerobic
Since pure aluminum is more corrosion resistant than most alloys, aluminum sheet stock is often covered with a thin layer of nearly pure aluminum called cladding or what else? (
Alclad
What are the most widely used materials for aircraft construction? (
Aluminum and aluminum alloys
Bacteria may be either aerobic or what else? (
Anaerobic
Corroding metal is called the what? (
Anode
Some aluminum parts are protected with an electrochemically applied oxide coating called what? (
Anodize
What is the smallest unit of an element, made up of a positively charged nucleus surrounded by a system of negatively charged electrons? (
Atom
What is used as a coating to protect steel hardware, such as bolts, washers, and screws, and as plating on electrical connectors? (
Cadmium
What is used as a protective plating? (
Chromium
Manuals that are prepared in accordance with MIL-STD-38784 in the non-work package format are referred to as what? (
Conventional manuals
What are generally used in avionic systems as contacts, springs, leads, connectors, printed circuit board (PCB) conductors, and wires? (
Copper and copper based alloys
Each reporting custodian shall designate a what, whose duties include organizing and supervising the emergency reclamation team? (
Corrosion Control Officer
What is the cracking of metals caused by the combined effects of cyclic stress and corrosion? (
Corrosion fatigue
What corrosion occurs because the environment of the local area is very different from the larger environment? (
Crevice
The best time to prevent corrosion is at what stage? (
Design
What corrosion is a form of crevice corrosion which occurs on metal surfaces having a thin (~4 mils) organic protective coating? (
Filiform
In general, hardware configurations and maintenance concepts are what? (
Fluid
How many conditions must exist before metal corrosion can occur? (
Four
What corrosion occurs at contact areas between materials under load subject to repeated vibration? (
Fretting
What corrosion occurs when different metals are in contact with each other and an electrolyte? (
Galvanic
Traditionally considered the best coating for corrosion resistance and solderability, what is used on printed circuits, semiconductors, leads, and contacts? (
Gold
What is defined as how effectively the presented information describes the system or equipment configuration and required maintenance data? (
Technical documentation usability
What has the best combination of solderability and corrosion resistance of any metallic coating? (
Tin
The greatest challenge to the aircraft industry is the design of equipment that is protected from corrosion and deterioration in the heat and humidity that prevails in the what? (
Tropics NavyBMR.com
The incorporation of RACs and IRACs into the affected TMs (paper copy) shall be within how many working days upon receipt? (
Two
What are the lightest structural metals used for aircraft and missile airframes? (
Magnesium alloys
What is a brittle gold-aluminum compound formed when bonding gold to aluminum? (
"Purple plague"
Graphite or carbon fiber composites are materials which consist of reinforcing fibers in a matrix made of organic resin, usually what? (
Epoxy
What corrosion is the increase in the rate of attack on a metal due to the action of a corrosive fluid against the metal surface? (
Erosion
What is an advanced form of intergranular corrosion where the surface grains of a metal are lifted up by the force of expanding corrosion products occurring at the grain boundaries? (
Exfoliation
What support the sustainment of Interactive Electronic Technical Manuals (IETM) and accomplish the purpose and function of IRACs in a digital format? (
Electronic Rapid Action Changes (ERACs)
Rubbers and what else are used for insulation, seals, gaskets, caps, tubing, films, and coatings? (
Elastomers
The most common type of corrosion (and the one that can be most effectively treated by maintenance personnel) is what corrosion? (
Electrochemical
What is the branch of science concerned with chemical reactions at surfaces in contact with electrolytes? (
Electrochemistry
What formation results from condensation of moisture? (
Electrolyte
What is a negatively charged subatomic particle? (
Electron
What in addition to conformal coatings are used to envelop an avionic component, module or assembly? (
Encapsulants
Aluminum and magnesium form corrosion products that are white oxides or what? (
Hydroxides
What are issued by Naval activities or Contract Administrative Offices (CAOs) as an interim change to provided urgent TM change data? (
IRACs
What may be used when funding, contractual and programmatic circumstances make the use of RACs impractical? (
IRACs
The two ranges of solar radiation most damaging to materials are ultraviolet (the range that causes sunburn) and what else (the range that makes sunlight feel warm)? (
Infrared
What corrosion is an attack on the grain boundaries of the metal? (
Intergranular
Treated equipment that is of questionable operating status should be forwarded to the nearest what? (
Intermediate Maintenance Activity (IMA)
What cannot move through metal conductors? (
Ions
Maintain an IRAC/ERAC binder for each work center utilizing what? (
JKCS
NAVAIR TM Notices shall not be used to correct and/or change the technical content of what? (
NAVAIR manuals
It is mandatory that what maintains an effective, update method to ensure that TMs keep pace with hardware configuration? (
Naval Air Systems Command (NASC)
What is used as aplating material over copper in waveguides, miniature and microminiature circuits, wires, contacts, high frequency cavities, tank circuits, and RF shielding? (
Silver
What are most susceptible to pitting damage? (
Stainless steels
What are used for gears, bearings, and high strength bolts, and for mountings, racks, brackets, and hardware in avionic systems? (
Stainless steels
What corrosion is the intergranular or transgranular cracking of a metal caused by the combined effects of constant tensile stress (internal or applied) and corrosion? (
Stress
Many alloys used in aircraft construction are sensitive to a form of corrosion known as what? (
Stress corrosion cracking
Identification of a revision is made by what notice on the title Page and a new issue date?
Supersedure
What IRACs are issued as a Naval Message to provide urgent TM change data, with the exception of graphic images, schematics, wiring diagrams, etc., which are unsuitable for delivery by Naval Message? (
Type A
What IRACs are issued as a hard copy or digital file to provide urgent TM changes for schematics, wiring diagrams, or other graphic images, and other forms of graphic data that cannot be included in a Type A IRAC? (
Type B
