Basic Corrosion Control Practice Test

These questions are part of the practice quiz. Start practicing

• To which hazard does acetic acid emission from RTV silicone adhesives pose a risk?
• The first step when operating the portable 15 gallon foam generating cleaning unit is to do which of the following?
• When cleaning photographic equipment, what should be done first?
• What is the primary purpose of corrosion preventive compounds in aircraft maintenance?
• Which scraper is correctly matched to its typical use?
• In cleaning ejection seats, which action is performed first?
• When applying sealants, what should you not allow to happen to the solvent, because it will allow some or all of the oil and dirt to redeposit, making it impossible to be removed with a dry cloth?
• What should you always use on bare cadmium plating to prevent corrosion?
• Extended shelf life of a sealant batch, when it matches the hardness of non-aged kit sealants, is extended by about which fraction of the original shelf life?
• Which is the most convenient method for painting corners or other hard-to-reach areas?
• MIL-PRF-81352 Type I coating is which type of coating?
• In the FED-STD-595 five-digit color code, which description corresponds to the first digit?
• Where is the source for water intrusion found on cases and covers?
• Which sealant is non-toxic?
• Put the steps for performing an evaluation of corrosion damage in the correct sequence.
• When labeling removed components, which information is specifically required to identify how the item should be preserved?
• Which type of corrosion is indicated when surface grains are lifted up by the force of expanding corrosion products occurring at the grain boundaries on aluminum and magnesium parts?
• Which statement about surface preparation is true?
• How often should interior and exterior relief tube areas be inspected and cleaned?
• Which of the following is used to protect metal aircraft parts and components by preventing corrosive materials from contacting and corroding bare metal surfaces?
• Which specification is used to remove tape adhesive residues after cleaning?
• How long may it take to achieve a full cure for sealing compounds?
• In the FED-STD-595 color code, which digit represents the gloss value?
• Aircraft wash rack cleaning waste shall receive the equivalent of what type of sewage treatment?
• MIL-PRF-81733 sealant is specified for use on permanent structures. What does this indicate about its application?
• Improper surface preparation often leads to which issue?
• In general, store paint materials between what temperatures and up to 100 degrees Fahrenheit?
• MIL-PRF-85570 Type IV is recommended for cleaning which of the following?
• Which scraper is correctly matched to the metals it is used for removing corrosion?
• During corrosion damage evaluation, which step directly informs the extent of damage by measuring it?
• Which of the following corrosion types is best represented by exfoliation patterns on layered metal surfaces?
• Which of the following details is required on a tag for removed aircraft components to aid future handling?
• Brushes and rollers are ______ for touch-up painting.
• With respect to depleted uranium counterweights, if corrosion occurs, what should you apply to prevent further corrosion?
• After rinsing rotor blades with water, the subsequent cleaning solution ratio is one part cleaner to how many parts water?
• Chromic acid safety: may ignite on contact with which of the following?
• Which statement best describes why frequent corrosion inspections are important?
• All permanent structures shall be installed with MIL-PRF-81733 sealant at which of the following surfaces?
• Sealants used in battery compartments are selected primarily for which property?
• All aircraft shall be ______ during painting procedures to guard against the danger of fire from static electricity.
• What is the primary purpose of sealants?
• What product is recommended to apply to depleted uranium counterweights to prevent corrosion?
• Why should care be taken when using rivet nozzles?
• Which device requires approximately 14 cfm of air at 50 psi to siphon solvent from a container?
• Which type of corrosion is most commonly found on aluminum and magnesium alloys?
• Exfoliation corrosion is commonly observed in which alloys?
• If the surface of a steel cable is corroded, how should you relieve cable tension and force the cable open to inspect it?
• During aircraft component tagging, which field communicates the intended preservation approach?
• In an epoxy paint system, which layer is intended to promote adhesion before applying the topcoat?
• The proper pressure for the air regulator when operation the portable 15-gallon foam Generating cleaning unit is between ______ psi.
• Which of the following is the primary reason aircraft should be cleaned regularly?
• Which of the following is an electrolyte?
• The full cure time for sealing compounds is approximately which duration?
• Which option describes the film described by MIL-C-85054?
• What does fluorescent penetrant inspection detect?
• Which field on a component tag conveys the method used to maintain the component's condition prior to reuse?
• What should you use to prepare the surface of water sensitive areas?
• Which of the following must exist for corrosion to take place?
• Under environmental regulations, MIL-PRF-81352 Type I acrylic lacquer coating can be used for which purpose?
• Due to irregularities in composite surfaces, complete removal of the paint can damage which of the following in the surface layers?
• Tagging of removed components should indicate the preservation method along with other data. Which item is essential to communicate preservation status?
• Which detail on a removed component tag helps ensure proper future handling and storage?
• Which feature characterizes exfoliation corrosion?
• Which statement about storing paint materials is correct?
• The curing mechanism of a one-component sealant that cures by reacting with moisture in the air is activated by which condition?
• MIL-C-85054 is an example of a water displacing corrosion preventive compound that forms what type of film?
• Which term describes localized metal loss forming small, deep pits on the surface?
• As a general rule, grease shall not be applied to rubber parts, but some parts require a grease coating. which of the following is one of those parts?
• Which of the following best represents the mixture ratio of isopropyl alcohol and distilled water used to clean battery compartments?
• Corrosion in faying surfaces, seams, and joints is usually detectable by which of the following?
• What is the first step in post cleaning procedures?
• Chromic acid (Form II powder) is a strong oxidizer and may ignite on contact with organic materials and which of the following?
• Which of the following is an example of a fairing or smoothing tool for working sealants and adhesives into seams?
• In the context of sealant discussions, what does 'faying' refer to?
• Which of the following should be used prior to lubricating any components or parts to remove any foreign matter from joints, fittings, and bearing surfaces?
• Which statement best describes how a smoothing tool like a spatula is used in sealant work?
• Which information on a removal tag is critical to determine how a component was kept during storage?
• Which corrosion process occurs when two dissimilar metals are electrically connected in an electrolyte, forming a galvanic couple?
• Which of the following can be used to apply lubricants?
• What style of semkit holds proportioned amounts of the two components separated by an aluminum barrier?
• Which statement concerning priority removal is true?
• When tagging components removed from an aircraft, the tag should indicate which of the following to specify how the component is maintained before reuse?
• RTV silicone adhesive/sealants conforming to MIL-A-46106 emit acetic acid and are therefore which of the following?
• Which organization is responsible for assessing corrective actions for hazardous wash rack waste on a naval facility?
• Which items are part of the cleaning preparation steps?
• Which description best defines the 'fill and drain method' used for interior tubing CPC application?
• What is the maximum depth for light corrosion as described?
• Put the steps for performing a general inspection of aviation equipment in the correct sequence.
• If your wash rack is a source of hazardous waste, which of the following should you contact to determine corrective action?
• What is the health hazard while breathing the vapors from organic solvents?
• In tagging removed aircraft components for identification, which label detail is mandated to communicate how the item should be treated in storage?
• Before applying lubricant to a grease fitting, which preparation step is recommended?
• What magnification is used with a magnifying glass to assist in determining if an area has previously been reworked for corrosion?
• The epoxy paint system consists of which of the following and a compatible topcoat?
• During scheduled or unscheduled maintenance actions on aviation equipment or components, the area involved as well as those within what distance of the repair or treatment area must be visually inspected for corrosion?
• Which tool is recommended for inspecting areas suspected of previous rework during corrosion evaluation?
• Corrosion is the electrochemical _________ of a metal as a result of its chemical reaction with the surrounding environment.
• What relative humidity value defines the humidity condition for the sealant's application life at 75 F?
• What is the primary purpose of any paint system?
• Positively or negatively charged atoms or groups of atoms bound together and are known as which of the following?
• Which item must be included on the tag to indicate how the component should be preserved?
• Which type of brush should you use to clean around bolts, rivets, or other hard-to-reach areas?
• In a galvanic couple of dissimilar metals, corrosion rate is influenced by the presence of what substance enabling ionic conduction?
• Which paint removal method would you use for areas of several square inches or less?
• If fresh water is not available for general cleaning, which specification is used for a spray cleaning?
• Which scenario describes a necessary condition for galvanic corrosion to occur?
• Which material is suitable for manufacturing sealant smoothing tools tailored to a specific situation?
• MIL-L-46010 is a specification for lubricants used to prevent what issue in close tolerance fittings?
• For traces of corrosion control, when tagging removed components for identification, which element must be identified on the tag?
• Which equipment uses approximately 14 cfm of air at 50 psi to siphon solvent from a container?
• Which term describes the slow, uniform loss of metal by chemical reaction with the environment?
• Which type of hinges are especially vulnerable to corrosion?
• Corrosion is what type of process of metals returning to their normal state?
• What role does an electrolyte play in galvanic corrosion between dissimilar metals?
• What is the first step when operating the portable foam generating cleaning unit?
• Where should mixing of a chemical preprint treatment be done, so as to avoid breathing toxic vapors?
• Which type of lubricant prevents galvanic corrosion coupling on close tolerance fittings and reduces fretting?
• When evaluating corrosion damage, a straight edge and what type of magnifying glass may be used to assist in determining if an area has previously been reworked?
• A sealant that generally consists of one component and cures by reacting with moisture in the air is described by which standard?
• Under which conditions should you apply corrosion preventive compounds?
• Which of the following would be considered an operational use for painting?
• Paint equipment shall be thoroughly cleaned immediately after use or at least every how many hours?
• If residues remain from protein foam MIL-F-24385, what should you do first?
• What is the maximum depth that light corrosion is discolored and pitted?
• Which of the following is a proper practice when using paint equipment?
• Which procedure is used to apply corrosion preventive compound to interior surfaces of tubing closed by welded end plugs?
• What distance around a repair area must be visually inspected for corrosion during maintenance?
• If a component is removed from an aircraft and is to be stored, what must the tag identify?
• Under emergency conditions, who is responsible for minimizing damage?
• Which practice helps reduce the risk of fire from static electricity during aircraft painting?
• An increase of how many degrees above 75 F is necessary to cut the application time by approximately half?
• Which corrosion type is best described as preferential attack along grain boundaries?
• Who is responsible for an effective preventive maintenance program?
• During paint touch-up procedures, in addition to eye protection, rubber gloves, and coveralls, what other equipment should be worn during paint touch-up procedures?
• Chemical Preprint treatments are also known as which of the following?
• When applying lubricants through pressure type fittings with a grease gun, clean grease fitting with which of the following and a cleaning cloth before applying lubricant?
• Which action is least relevant to corrosion protection when choosing a coating?
• Which scenario would not lead to corrosion?
• Which method is used to protect metal surfaces during maintenance by displacing moisture?
• Routine scheduled cleaning should not be performed at temperature below how many degrees Fahrenheit?
• Which of the following is essential to the overall corrosion control program?
• Daily cleaning or wipe down is required on all exposed, unpainted surfaces when deployed within how many miles of salt water and when flown below 3000 ft over salt water?
• After rinsing a rotor blade with fresh water, wash the affected area with a solution of one part aircraft cleaning compound in how many parts fresh water?
• Sealants are used on battery compartments and relief tanks for which reason?
• If fresh water is not available for general cleaning, what is preferred?
• Before starting emergency treatment, who must supervise purging or inerting procedures and certify that the aircraft is fire and explosion safe?
• What is the first step for cleaning ejection seats?
• What Are the categories used for reporting degrees of Corrosion?
• Rotor heads are often constructed of which material and require immediate decontamination and preservation?
• What is the main purpose of emergency preparations?
• The rotor heads mentioned require immediate decontamination and preservation due to their composition. Which material is this?
• Electrostatic painting is useful for painting small areas and produces which combination of overspray and transfer efficiency?
• When tagging components removed from an aircraft for identification, which item must be indicated on the tag?
• What is the primary reason to use a paint system on metal surfaces in corrosion control?
• How long may it take to achieve a full cure for sealing compounds?
• Which of the following must be operated in the horizontal position?
• Natural conditions which affect the corrosion process are moisture, temperature, ozone, sand, dust, solar radiation, insects, birds, microorganisms, and which of the following?
• MIL-PRF-85570 Type IV is associated with cleaning which deposits?
• The application life of sealant is the usable time at 75 Degrees Fahrenheit and what relative humidity?
• What should you not do with depleted uranium under any circumstances?
• Which counterweight material is mentioned in the corrosion context?
• Which compound is used to prevent corrosion on pin and/or pin receptacle end of connectors?
• What is a key reason to clean paint equipment after use?
• Which statement describes a risk when complete paint removal from a composite surface?
• When a metal corrodes, the metal atoms lose which of the following and become positively charged metal ions in the electrolyte?
• What is the primary visual indicator used to assess corrosion severity on faying surfaces?
• The prevention and control of corrosion on aircraft is whose responsibility.
• Which of the following factors may require more drying time for chemical conversion coatings?
• High alkaline cleaning compounds, with a pH greater than _______, are not authorized for navy aircraft.
• Which statement best describes electrostatic painting?
• If a test of paint material shows the material dries properly, the shelf life may be extended for how long?
• Which statement is true regarding the curing of sealing compounds under typical conditions?
• The preferred method is Detergent Cleaning when fresh water is available for rinsing.
• The recommended environment for mixing chemical preprint treatments is to ensure what outcome?
• Which specification is used to remove tape adhesive residues after cleaning?
• In a two-component sealant system, which component keeps the two parts separate until mixing?
• All rivets shall be installed wet with MIL-PRF-81733 sealant, except those located where?
• Which corrosion type is most closely associated with attack along grain boundaries?
• What kind of sealant smoothing tools may be manufactured as needed to fit a specific situation?
• The __________ of galvanic corrosion also depends on the _________ of the parts in contact.
• If the prepared surface becomes dirty or scratched, which cleaning method should be used before applying sealant?
• MIL-PRF-81352, Type I acrylic lacquer coating can be used for application of/on which of the following where environmental regulations permit?
• Paint removal by scuff sanding must not go beyond the primer coat, since complete removal of the paint can damage fibers in the surface layers of which materials?
• Which method should be used for applying corrosion preventive compound to interior surfaces of tubing closed by welded end plugs or components?
• In the identification tag for removed aircraft components, what is the critical piece of information regarding treatment before storage?
• To prevent malfunctions caused by EMI, what must be either built into the avionic device or added to access panels and doors?
• All removable structure shall be installed at the faying surfaces with which type of sealant?
• If corrosion is not fully removed prior to refinishing, what is the likely outcome?
• Which of the following is a part of a disciplined preventive maintenance program?