Technician I Corrosion Training Practice Test

These questions are part of the practice quiz. Start practicing

• What is the difference between corrosion rate and corrosion depth?
• What is a corrosion coupon and how is it used?
• Stray current corrosion is caused by external electrical currents. Which mitigation measures are commonly used?
• Where is the Safety Data Sheet located?
• If corrosion is assessed as Stage 4, which category code is assigned?
• What is the purpose of a corrosion monitoring plan?
• Which surfaces does the corrosion protection product used for crevices, hinges, and fasteners target?
• What grit sandpaper should not be used on aluminum areas?
• The Wet Film Thickness Gauge must be used when?
• Hydrogen embrittlement is associated with which effect?
• Sacrificial anodes are used in cathodic protection because they are...
• Before performing surface prep and touch up, what must be obtained?
• Which material is least likely to suffer hydrogen embrittlement?
• Which product is used on hinges and fasteners as a water displacement compound?
• Corrosion assessments apply to which equipment?
• What tool is used to remove rust and pitting?
• What is the prime coat thickness?
• What is the correct interpretation of the Wet Film Thickness Gauge usage in the process?
• Which product is restricted to MTVR and LVSR and may void asset warranty if not used?
• CAT 2 items that stay stay in which category?
• Cat 4 indicates what for the asset?
• In open cooling towers, what is the purpose of corrosion inhibitors?
• Correlation of Stage 3 and Stage 4 corresponds to which category codes?
• In open cooling towers, how do corrosion inhibitors help?
• The CPAC Procedures document covers which system?
• Which Cat indicates asset may require spot painting and/or CPCs at organizational level?
• If a CAT 3 item is to be returned to CAT 1 or CAT 2 condition, by when must this occur?
• The intervention aims to prevent deterioration by performing which of the following?
• How long should the primer and hardener be mixed before induction?
• What is a typical example of a sacrificial metal used in CP?
• Which description best describes Stage 1 corrosion condition?
• Before performing surface prep and touch up on a CAT 4 item, the action must be approved by whom?
• How can stray currents on a pipeline be detected and mitigated?
• What should be done to the area prior to surface prep?
• What is the second color in the paint order?
• Which statement best explains the difference between the 'Metal sound' and 'Metal unsound' categories?
• In the context of CAT 4 maintenance, which action is taken to halt deterioration after approval has been obtained?
• In a galvanic couple, which metal is most likely to corrode when two metals are in contact in an electrolyte?
• Which policy letter addresses required use of PPE?
• What is the role of a reference electrode in corrosion potential measurements?
• Which statement about item categorization is correct?
• Which description best differentiates microcell corrosion from uniform corrosion?
• What color is used for standard asset marking (orange dots)?
• Policy Letter 2-09 clarifies application procedures for which products?
• What does GFE stand for?
• Which environmental factors should be considered when selecting a coating system?
• Which product is used to encapsulate steel hydraulic fittings and is applied by foam brushes?
• What is the main function of a zinc-rich primer in coating systems?
• What grit sandpaper should be used for initial surface prep?
• What approval is required before performing the intervention?
• Which of the following is typically specified in a corrosion monitoring plan?
• What is the condition of the metal in a Cat 3 asset?
• How do chloride ions affect stainless steel passivity?
• What is the third color in the paint order?
• Which term describes preparing a surface before applying a repair to prevent corrosion spread?
• Which Cat indicates repairs may be required at organizational level?
• Epoxy Primer Procedures: What mixing ratio is used?
• What is stress corrosion cracking and which conditions promote it?
• Which product is limited to MTVR and LVSR only and may void asset warranty if used outside these platforms, and is used on light assemblies, battery brackets and turret screws?
• In corrosion maintenance for a CAT 4 item, which action is described as necessary to stop deterioration?
• Why is service life considered when selecting a coating system for a marine structure?
• Crevice corrosion occurs where?
• How can you evaluate CP effectiveness on buried or submerged structures?
• Which statement is true about the required maintenance on CAT 4 items?
• Which statement describes Stage 3 and Stage 4 as metal conditions?
• Which of the following is NOT a typical factor causing CP system failure?
• The CPAC procedures document pertains to which equipment family?
• Which product is a silicone sealant used to encapsulate steel hydraulic fittings and is applied by foam brushes, creating a protective barrier from the environment?
• Which expression correctly defines the corrosion rate in a coupon test?
• Which document covers marking, registration, and camouflage patterns for USMC equipment?
• Define pitting factor.
• In response to a sudden rise in corrosion rate on a CP-protected pipeline, which actions are recommended?
• What is the purpose of measuring CP potentials against a reference electrode?
• What is a coating holiday and how is it detected?
• What grit sandpaper is used for feathering?
• Which option best describes the action to stop deterioration on a CAT 4 item?
• If the topcoat is damaged, what protection does a zinc-rich primer still provide?
• How do inhibitors reduce corrosion in cooling water systems?
• Which of the following is NOT a factor affecting coating adhesion?
• What best describes surface prep and touch up in corrosion maintenance?
• What is passivation?
• What does Cat 3 indicate regarding asset condition?
• What action is required to prevent further deterioration of a CAT 4 item?
• What is corrosion in metals?
• Which timing statement is correct for surface prep and touch up on a CAT 4 item?
• In CP systems, monitoring potential and current helps determine what?
• Which factor is not typically considered when determining if a coating system is appropriate for an environment?
• Which condition promotes stress corrosion cracking?
• Galvanic corrosion occurs when dissimilar metals are electrically connected in an electrolyte; the more anodic metal corrodes while the more noble metal is protected.
• Which product is a silicone sealant used to encapsulate backs of cannon plug casings, eyelets and grounds, creating a protective barrier from the environment?
• What is the role of a reference electrode in CP potential surveys?
• Policy Letter 3-09 addresses which topic?
• What is the purpose of using a needle gun in surface prep?
• Which product is used to encapsulate pipe fittings and connectors for hydraulic, brake, fuel and air systems?
• Correlation of Stage 1 and Stage 2 corresponds to which category codes?
• Which stage is characterized by holes throughout the metal?
• Policy Letter 5-08 addresses which topic?
• Which factor is a key consideration for coating performance in service?
• Which product is described as an ultra-thin film water displacement compound forming an enamel-like hard shell used on headlights?
• What is an electrolyte?
• What should be applied before sealing the paint can backup?
• What is sacrificial anode protection and how does it protect a structure?
• How does galvanic corrosion differ from uniform corrosion?
• Look for CAT 4 items to return into which categories?
• Which practice is listed under Things to Avoid as something not to do: 'Avoid applying T32 to Data Plates. May cause adhesive failure.'?
• CAT 3 items to return into CAT 1 or CAT 2 condition within 5 hours; if additional time is needed, approval from FSR/QAR.
• Which document describes the CPAC program policy and responsibilities?
• Why is coating adhesion important and what factors affect it?
• Pitting corrosion is a localized attack forming pits; which environment promotes it?
• If additional time beyond 5 hours is needed to return CAT 3 items to CAT 1/2, what is required?
• Which product is described as a water displacement compound, rust inhibitor, and ultra-thin film used for electrical corrosion points inside wiring harnesses, connectors, slave receptacles, and contact points on light assemblies?
• How do humidity and temperature affect corrosion of metals in air?
• How do environmental conditions influence hydrogen evolution at a metal surface?
• Which product prevents threading seizure and is used on light assemblies, battery brackets, and thermostats?
• Which statement is true about Type 1 Amel-guard?
• Which product is OSHKOSH ONLY and used on light assemblies, battery brackets and turret screws?
• Which document number corresponds to corrosion assessments on all USMC tactical ground and support equipment?
• The Air Cap Test must be performed before use on a spray gun within which pressure range?
• What is the primary role of a protective coating in corrosion control?
• Which non-destructive testing method is used to detect holidays in coatings through electrical current?
• Which statement about pitting factor is true?
• Differential aeration corrosion is promoted in which condition?
• In the corrosion rate equation CR = (K × W) / (A × t), what does K represent?
• Which option describes the maintenance action that prevents deterioration on a CAT 4 item when approval is required?
• What factors can cause CP system failure?
• What solvent is used to clean around the surface prepped area before priming?
• What is the primary purpose of insulation between dissimilar metals in a cathodic protection (CP) context?
• Policy Letter 1-09 covers which requirement?
• What should be done to tools before use?
• Which non-destructive method uses infrared imaging to detect coating defects by temperature differences?
• When selecting a coating system for a coastal steel structure, which factors should be considered?
• What is impressed current protection and how is it different from sacrificial anodes?
• What characterizes uniform corrosion?
• Which procedure should be followed for equipment with inaccurate or missing data plates?
• Which description corresponds to Stage 3 corrosion condition?
• How long should the mixed epoxy primer induct?
• Which document addresses corrosion assessments on all USMC tactical ground and support equipment?
• How does high flow rate affect corrosion in pipelines?
• What is hydrogen embrittlement and which materials are at risk?
• What are the two main types of cathodic protection?
• What does surface preparation involve and why is it important for coatings?
• Which Cat indicates metal is unsound and repairs above organizational level are required?
• What is the CPAC program's mission?
• Which policy letter describes Government Funded Equipment (GFE)?
• Which product matches the Type II description: a water displacement compound, lubricant and rust inhibitor that forms an ultra-thin film and is applied to metal casing on electrical harnesses and the throttle body?
• Which product is described as a water displacement compound and rust inhibitor used on alternator points, window pulls on armored vehicles, and battery posts?
• Coupon monitoring intervals are typically determined by what?
• In a marine environment, what is one effect of high chloride content on corrosion?
• Which product is used to encapsulate backs of cannon plug casings, eyelets and grounds?
• Which Cat indicates no corrosion repair needed and CPCs have been applied?
• Which description corresponds to Stage 4 corrosion condition?
• Which statement describes Stage 1 and Stage 2 as metal conditions?
• What is the first color in the paint order?
• What should you apply before sealing the paint can?
• Which description best describes Stage 2 corrosion condition?
• Which product is used to encapsulate pipe fittings and connectors for hydraulic, brake, fuel, and air systems?
• CAT 3 Items that stay require approval from FSR/QAR to keep from further deterioration.
• Which step is typically included in the intervention to stop deterioration on a CAT 4 item?
• How should CP systems be maintained to avoid underprotection or overprotection?
• CAT 2 assets to return to which condition?
• What is a common mitigation measure to reduce stray currents on pipelines?
• Which respirator is required to be used under the PPE policy?
• Which instrument is used to verify the film thickness during the painting process?
• Which statement best describes the effect of UV/weathering on coatings?
• What is the recommended thickness for applying the topcoat?
• Name common corrosion inhibitors for open cooling towers.
• Which of the following is NOT among the four common corrosion mechanisms?
• What is the galvanic series and how is it used in material selection?
• Which stage description corresponds to heavy rust with pitting and scaling?
• Before mixing paint, which action is recommended?
• Crevice corrosion is localized attack in narrow gaps; which components are commonly susceptible?
• Which water chemistry parameter is commonly considered to influence CP effectiveness?
• Which product is described as a water displacement compound, lubricant, and rust inhibitor used on metal or moving parts and sprayed on key corrosion points?
• The primary purpose of surface prep and touch up on a CAT 4 item is to prevent what?
• How are CP potentials interpreted for buried structures?
• Which Cat indicates extensive corrosion or coating damage repair above organizational level?
• Which condition promotes galvanic corrosion the most?
• Which device is commonly used to measure coating thickness in the field?
• What type of damage may be present in a Cat 3 asset?