Unit 1 Engine Overhaul and Light Sport Aircraft Mod 8 Exam Questions and Answers|2025 Update

Unit 1 Engine Overhaul and Light Sport Aircraft Mod 8 Exam Questions and Answers|2025 Update The complete overhaul of an engine with spur type propeller reduction is a: A. Minor overhaul B. Major repair C. Minor repair - Answer- C. Minor repair Scrapers used for cleaning must be: A. Harder than the material you are cleaning B. Softer than the material you are cleaning C. Does not matter - Answer- B. Softer than the material you are cleaning How many passengers is a sport pilot allowed to carry on board? A. Two. B. Three. C. One. - Answer- C. One. What tool(s) are required for visual inspection? A. Wire wheel B. Sand paper C. Magnifying glass (10X) - Answer- C. Magnifying glass (10X) Which of the following contains approved data for performing a major repair to an aircraft engine? A. Supplemental Type Certificates B. Engine Type Certificate Data Sheets. C. Manufacturer's maintenance instructions when FAA approved. - Answer- C. Manufacturer's maintenance instructions when FAA approved. What maintenance record(s) is/are required following a major repair of an aircraft engine? A. Entries in the engine maintenance record and FAA Form 337. B. Entry in logbook. C. Entries in engine maintenance records and a list of discrepancies for the FAA. - Answer- A. Entries in the engine maintenance record and FAA Form 337. Why are LSA engines operated with MOGAS instead of AVGAS. A. AVGAS is more expensive. B. AVGAS can cause wear and deposits in the combustion chamber to increase, due to higher lead content. C. AVGAS does not have enough lead. - Answer- B. AVGAS can cause wear and deposits in the combustion chamber to increase, due to higher lead content. What qualifies as a Light Sport Aircraft? A. Maximum takeoff weight of not more than 3,320 pounds B. Maximum takeoff weight of not more than 1,320 pounds C. Maximum takeoff weight of not more than 2,320 pounds - Answer- B. Maximum takeoff weight of not more than 1,320 pounds When must an Airworthiness Directive (AD) be complied with after it becomes effective? A. At the next scheduled overhaul. B. As specified in the AD. C. During the next scheduled inspection. - Answer- B. As specified in the AD. Who is responsible for determining if an aircraft is in condition for safe flight? A. The FAA. B. A certificated aircraft mechanic. C. The pilot in command. - Answer- C. The pilot in command. Two-stroke engines are planned to run on an oil/gasoline mixture of : A. 1:50. B. 1:150. C. 1:500. - Answer- A. 1:50. The holder of a repairman certificate with a light-sport aircraft rating. A. They may perform maintenance and preventive maintenance on light-sport aircraft . B. They may perform modifications on light-sport aircraft . C. They may perform overhauls on light-sport aircraft . - Answer- A. They may perform maintenance and preventive maintenance on light-sport aircraft . Who can return to service the complete overhaul of a Lycoming GSIO-480 engine? A. A powerplant mechanic. B. An A&P mechanic. C. An A&P mechanic with an IA. - Answer- C. An A&P mechanic with an IA. Which of the following can inspect and approve an engine major repair for return to service? A. Certificated mechanic with a powerplant rating. B. Certificated mechanic with airframe and powerplant ratings. C. Certificated mechanic with inspection authorization - Answer- C. Certificated mechanic with inspection authorization The complete overhaul of a Lycoming GSIO-480 engine is a: A. Minor repair. B. Minor overhaul. C. Major repair. - Answer- C. Major repair. Welding of an aircraft structural part is: A. A minor alteration. B. A major repair. C. A minor repair. - Answer- B. A major repair.