AMS 375 FINAL REVIEW EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026

AMS 375 FINAL REVIEW EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026 Overhaul Manual - Answers a guide for major repair and overhaul of the engine. It contains complete disassembly, inspection, repair, reassembly, and test procedures. Parts Catalog - Answers are illustrated permit identification of individual parts as well as the relational identification of parts contained within an assembly. SB - Answers are mandatory and require some modification or inspection to be accomplished on the eng. within a specified time. SI - Answers cover a variety of subjects, such as repair processes, modification procedures, inspection procedures, and overhaul methods. SL - Answers usually pertain to service policy or vendor products. When does the runout on a crankshaft that utilizes a ball type thrust bearing need to be taken? - Answers prior to releasing the nut/separating the crankcase halves. 3 matched parts: - Answers Crankcase halves connecting rods hydraulic lifter unit FAR 21 - Answers Certification procedures for products and parts FAR 23 - Answers Airworthiness Standards: Normal, Utility, Acrobatic, and Commuter Category Airplanes FAR 27 - Answers Airworthiness Standards: Normal Category Rotorcraft FAR 33 - Answers Airworthiness Standards: Aircraft Engines FAR 39 - Answers Airworthiness Directives FAR 35 - Answers Airworthiness Standards: Propellers Effective date- - Answers the date at which the AD becomes legally enforceable Remanufactured- - Answers AAAEverything should be new parts except the engine block. Water break test- - Answers bare metal surface thoroughly cleaned Alodizing- - Answers a nonelectric chemical treatment for aluminum alloys to increase corrosion resistance and paint bonding qualities. STC- - Answers is a document issued by the FAA approving a type certified product modification. AD applicability- - Answers statement in document stating what applies. Alphabetical index - Answers Arranged in order of subject matter (A-Z) which is helpful in searching for service publications relative to specific parts or components. Active publications list - Answers Is a numerical listing of active service publications helpful in determining document status List of supersedures - Answers Shoes superseding service publications which is helpful in determining a part trail of service history Inactive publications - Answers Is a numerical listing of inactive service publications helpful in determining document status Flight time - Answers Engine turns on to off with intention to fly Rebuilt engine records: - Answers Zero time on engine once done by manu. Overhaul engine records: - Answers Continuation of time in service Connecting rods are: - Answers Are Not matched parts in that one rod can be replaced within a set as long as it is replaced with one that's the proper part number and acceptable weight range to maintain the manu. Weight range limits. What are the two hydrocarbon based chem clean use in the repair station? - Answers Heavy Aromatic Naphtha and Light Aliphatic Naphtha What is a safety nozzle? - Answers Reduces the air pressure to 30 psi What is one thing to ensure with the soap used in Aqueous Based Cleaner? - Answers Ensure it is compatible with the metal What type of soap is used with Al? - Answers They should be neutral on the Ph Scale What is used to clean magnesium if it is accidentially put into carbon stripper? - Answers Sodium Dichromate What are the types of cleaning methods? - Answers Chemical and Mechanical What are the two types of Abrasive Media Cleaner? - Answers Hard and Soft What is the hardest adrasive media cleaner? - Answers Silicon Carbide What is the softest of the abrasive media cleaner? - Answers Pumice What are the two types of Blast Cabinets? - Answers Pressure and Suction/Siphon What is the differences between Pressure and Siphon/Suction Blast cabinets? - Answers Pressure has only one hose, Media size is 16-120 mesh and are used for heavy material Suction/Siphon has two hoses, Media size 150-400 mesh and fine and ultra fine abrasives T/F: Pressure can only be used with Hard and Suction/Siphon is only soft - Answers False How does shot peening work? - Answers Bombarding the surface with steel shot that cold works the metal. Relieves Surface Tension and increases surface (and subsurface) compressive strength What is Anchor pattern? - Answers Tiny peaks and valleys in the substrate; Too much anchor pattern wastes coating and allows the substrate to show a little; Too little anchor will reduce binding surface between the material and the substrate How are the depth of the achor pattern determined? - Answers Size, type and hardiness of the abrasive being used What are the types of solvents? - Answers Heavy Aromatic Naphtha, Light Aliphatic Naphtha and Isoparaffinic Hydrocarbon What natural process is aqueous washers based on? - Answers Emulsification Where do the soaps for Al/Mg lay on the Ph scale? - Answers Toward Neutral What is Shot Peening? - Answers A process where a workpiece is repeatedly bombarded with high velocity particles. These high hardness spherical balls form a hardened layer on the surface of the material with helps it resist crash initiation. What affects anchor pattern? - Answers Pressure, distance from the surface and angle, size, type and hardiness of material being used 3 Matched Components - Answers Crank case Halves Hydraulic unit Connecting Rods What the f u c k is a manometer? - Answers A diff pressure indicator, Measures difference between clean and dirty side of filter bois What are the units of measure for Anchor Pattern - Answers Mils, Microns, Millimeters What kinda gloves are used - Answers Pliable Perforated Conductive What are the differences between Ops. Specs. and Capability Lists? - Answers Ops. Specs. -Require FAA inspection and approval Capability List -Self-Evaluation by repair station What does a self-evaluation generally consist of? - Answers Ensuring the repair station has the proper means, housing, resources to do work on articles. What record keeping is required? - Answers Records demonstrating compliance with part 43 and a copy for the owner / operator. Must be available to FAA and NTSB if requested. What are the two types of ratings a Certified Repair Station can hold? - Answers Class Ratings and Limited Ratings What are the 6 Class Ratings? - Answers Airframe Powerplant Propeller Radio Instrument Accessory How are Limited Ratings established? - Answers Similar to class ratings but limited to a specific make and model. Ex: Airframe, Piper Cherokee What is an accountable manager? - Answers Person designated as main responsible supervisor of repair station. May or may not directly work at repair station. -Ex: Mr. Horning at ours Supervisory Personnel Requirements? - Answers -Certificated under Part 65 -Understand, read, and write English Inspection Personnel Requirements? - Answers -Familiar with regulations, inspection methods, and tools used to determine airworthiness. -Proficient in using various types of inspection equipment / visual aids appropriate for inspection