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A&P General (Oral Questions) Exam Questions and Correct Detailed Answers (Verified with Reference) Updated 2024.
How often is the summary of ADs published? - ANSWER - Every two years.
If you need to determine the serviceable dimensional limits for an engine part, what publication would you consult? - ANSWER - The current engine manufacturer's overhaul manual.
What kinds of publications are used by aircraft manufacturers to notify owners of design defects and product improvements? - ANSWER - Service Bulletins, service letters and service instructions.
Under what circumstances is compliance with a Manufacturers Service Bulletin mandatory? - ANSWER - When the service bulletin is incorporated in an AD (or other approved data).
What is the name of the manual that the manufacturer provides to technicians who normally perform work on the systems and components of an aircraft? - ANSWER - The aircraft maintenance manual.
What reference material can be used to determine if an aircraft is certificated in more than one category? - ANSWER - The Type Certificate Data Sheets and/or Aircraft Specifications.
In what FAA publication could you find a list of engines approved for use in a specific make and model of airplane? - ANSWER - In the Type Certificate Data Sheets and/or Aircraft Specifications. 1 / 4
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What publication would you consult to determine an aircraft's (or engine's or propeller's) type design and it's limitations? - ANSWER - In the Type Certificate Data Sheets and/or Aircraft Specifications.
What are Advisory Circulars? - ANSWER - Non-regulatory information of interest to the aviation public.
What publication might you consult for guidance when maintaining an old aircraft for which no maintenance manual exists? - ANSWER - AC 43. 13-1B or its latest revision.
How can you determine if the repair of damage is a major or minor repair? - ANSWER - FAR Part 43, Appendix A defines major and minor repairs as well as preventive maintenance.
If a mechanic wishes to develop a checklist for an annual or 100-hour inspection, what publication contains the guidelines for required inspection items? - ANSWER - FAR Part 43 Appendix D contains the scope and detail of an inspection checklist.
How do you determine the timeframe within which AD compliance is required? - ANSWER - The AD contains the compliance time or period for completing the corrective action.
How does the FAA notify the aircraft owner of unsafe conditions that must be corrected?
- ANSWER - By issuing Airworthiness Directives.
Why are Airworthiness Directives issued? - ANSWER - To correct unsafe conditions found in aircraft, engines, propellers, or appliances.
Who is responsible for ensuring that only the most current information is used when performing maintenance on a aircraft? - ANSWER - The person performing the maintenance.
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What is the best way to protect piano hinges from corrosion? - ANSWER - Keep them clean and properly lubricated.
Why are piano - type hinges prime spots for corrosion? - ANSWER - The steel pin and aluminium hinge material are dissimilar metals and the hinge design tends to trap moisture and contaminates.
What are the visible signs of fretting corrosion? - ANSWER - The corrosion residue has adark, smoky appearance and often appears around and streaming back from rivet heads.
What are two primary factors that may cause development of stress corrosion cracks? - ANSWER - A corrosive environment and sustained tensile stress.
What are the visible signs of filliform corrosion? - ANSWER - Blistered paint surfaces or worn or thread - like tracks or patterns under the paint.
Name at least one cause of filliform corrosion. - ANSWER - 1. Improper or incomplete curing of a wash primer prior to painting
- Failure to completely wash off acid surface contamination.
Define Inductance - ANSWER - An induced voltage that is opposite in the direction to the applied voltage.
What component creates capacitance in AC circuit - ANSWER - A capacitor
How does a capacitor store electricity? - ANSWER - The energy is stored in the form of an electrostatic charge or field that exists between two conductors separated by an insulator
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4 What property of an AC circuit is defined by the term "impedance"? - ANSWER - The total opposition to current flow.
What are to reasons that might cause a nickel-cadmium battery to fail to deliver it's rated capacity? - ANSWER - Faulty cells or cell imbalance.
What electrical values are measured by a typical multimeter? - ANSWER - Voltage Current Resistance
What part of the FARs describes the performance characteristics that small aircraft must demonstrate in order to be airworthy? - ANSWER - FAR Part 23
What part of the FARs describes the airworthiness standards for Transport Category airplanes? - ANSWER - FAR Part 25
What federal aviation regulation prescribes the requirements for issuance of a type certificate? - ANSWER - FAR (14 CFR) Part 21.
What are the indications of water in the aircraft fuel after deaining a sample from the fuel sumps? - ANSWER - The sample may have a cloudy or hazy appearance or a solid slug of water.
Under what conditions may automobile gasoline be used in an aircraft engine? - ANSWER - Only if approved by the FAA, usually by the issuance of a (STC) Supplemental Type Certificate.
Under what conditions should a reciprocating engine be pre-oiled? - ANSWER - Prior to starting a new engine or one that has been preserved for storage. This ensures adequate lubrication on initial startup.
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