Aircraft Maintenance MCQs

What is the purpose of an aircraft maintenance program? a) To ensure the aircraft remains in a condition for safe operation b) To increase the aircraft’s resale value c) To enhance the aircraft’s performance d) To improve passenger comfort Answer: a) To ensure the aircraft remains in a condition for safe operation What is the primary objective of a pre-flight inspection? a) To check for any obvious faults or damage before departure b) To clean the aircraft c) To update the aircraft’s maintenance log d) To calibrate onboard instruments Answer: a) To check for any obvious faults or damage before departure Which document contains the specific maintenance requirements for an aircraft? a) Aircraft Maintenance Manual (AMM) b) Pilot’s Operating Handbook (POH) c) Aircraft Flight Manual (AFM) d) Logbook Answer: a) Aircraft Maintenance Manual (AMM) What does “AD” stand for in aircraft maintenance? a) Airworthiness Directive b) Aircraft Damage c) Assembly Date d) Airspeed Difference Answer: a) Airworthiness Directive How often are aircraft required to undergo an Annual Inspection? a) Every 12 calendar months b) Every 6 months c) Every 24 months d) Every 18 months Answer: a) Every 12 calendar months What is the function of the “logbook” in aircraft maintenance? a) To record all maintenance and repair activities performed on the aircraft b) To document flight hours only c) To list aircraft equipment d) To track fuel consumption Answer: a) To record all maintenance and repair activities performed on the aircraft What is the purpose of a “service bulletin”? a) To provide information or instructions for routine maintenance and modifications b) To report operational issues c) To track aircraft performance d) To schedule flight crew training Answer: a) To provide information or instructions for routine maintenance and modifications What does “MEL” stand for in the context of aircraft maintenance? a) Minimum Equipment List b) Maintenance Evaluation List c) Major Equipment Log d) Maintenance and Engineering Log Answer: a) Minimum Equipment List Which inspection is typically performed every 100 flight hours? a) 100-Hour Inspection b) Annual Inspection c) Pre-flight Inspection d) Post-flight Inspection Answer: a) 100-Hour Inspection What is a “Phase Inspection”? a) A type of inspection performed at intervals, often based on a set number of flight hours or cycles b) An inspection performed annually c) A random inspection performed during flight d) A pre-flight check Answer: a) A type of inspection performed at intervals, often based on a set number of flight hours or cycles What does “AOG” stand for in aircraft maintenance? a) Aircraft on Ground b) Airworthiness Operational Guide c) Assembly of Gear d) Aircraft Operating Guide Answer: a) Aircraft on Ground Which type of maintenance is classified as “preventive”? a) Scheduled inspections and servicing to prevent faults b) Repairing malfunctioning components c) Replacing broken parts d) Corrective actions after a failure Answer: a) Scheduled inspections and servicing to prevent faults What is the function of the “airworthiness certificate”? a) To confirm that an aircraft meets safety and performance standards b) To indicate the aircraft’s fuel capacity c) To provide a record of the aircraft’s operating history d) To document the aircraft’s color and design Answer: a) To confirm that an aircraft meets safety and performance standards What does “TC” stand for in aircraft maintenance terminology? a) Type Certificate b) Technical Certificate c) Temporary Certificate d) Training Certificate Answer: a) Type Certificate What is a “line maintenance” task? a) Routine maintenance performed at the airport or on the tarmac b) Major repairs performed in a hangar c) Overhaul of engines and systems d) Complete disassembly and rebuilding of aircraft Answer: a) Routine maintenance performed at the airport or on the tarmac Which document would you refer to for detailed procedures on overhauling an engine? a) Engine Overhaul Manual b) Aircraft Maintenance Manual (AMM) c) Pilot’s Operating Handbook (POH) d) Service Bulletin Answer: a) Engine Overhaul Manual What does “BITE” stand for in aircraft maintenance? a) Built-In Test Equipment b) Basic Inspection Tools and Equipment c) Basic Internal Test Equipment d) Built-In Test Evaluation Answer: a) Built-In Test Equipment What is a “work order”? a) A document that authorizes and describes maintenance or repair tasks to be performed b) A logbook entry c) A record of flight hours d) A manual for aircraft operations Answer: a) A document that authorizes and describes maintenance or repair tasks to be performed What is the “TBO” for an engine? a) Time Between Overhaul b) Time Before Operation c) Total Brake Output d) Time Based Operation Answer: a) Time Between Overhaul What does “SOH” stand for in aircraft maintenance? a) State of Health b) System of Operation c) Safety of Hardware d) Standard Operating Hours Answer: a) State of Health What is the “safety wire” used for in aircraft maintenance? a) To secure fasteners and prevent them from loosening b) To connect electrical components c) To provide a ground connection d) To support structural elements Answer: a) To secure fasteners and prevent them from loosening Which maintenance task is typically performed by a licensed mechanic? a) Major repairs and overhauls b) Routine cleaning of the aircraft c) Basic visual inspections d) Refueling the aircraft Answer: a) Major repairs and overhauls What is the “purpose of a visual inspection”? a) To identify obvious signs of wear, damage, or malfunction b) To perform detailed measurements and tests c) To check aircraft performance during flight d) To calibrate onboard instruments Answer: a) To identify obvious signs of wear, damage, or malfunction What is an “airframe”? a) The structural components of the aircraft excluding the engine b) The engine assembly of the aircraft c) The cockpit and avionics system d) The landing gear system Answer: a) The structural components of the aircraft excluding the engine What does “non-destructive testing” involve? a) Testing methods that do not damage or alter the component being tested b) Testing that results in the destruction of the part c) Methods used to test for fuel leaks d) Techniques for testing electronic systems Answer: a) Testing methods that do not damage or alter the component being tested What is “component overhaul”? a) The process of disassembling, repairing, and reassembling a component to restore it to serviceable condition b) The cleaning of aircraft parts c) The replacement of a component with a new one d) The routine inspection of aircraft components Answer: a) The process of disassembling, repairing, and reassembling a component to restore it to serviceable condition What is the “purpose of an oil analysis”? a) To detect contamination, wear particles, and oil condition in an engine b) To measure fuel consumption c) To check for leaks in the fuel system d) To inspect the aircraft’s hydraulic system Answer: a) To detect contamination, wear particles, and oil condition in an engine What is “hydraulic fluid” used for in aircraft systems? a) To operate hydraulic systems such as landing gear, flaps, and brakes b) To cool the aircraft engine c) To lubricate the engine components d) To fuel the aircraft Answer: a) To operate hydraulic systems such as landing gear, flaps, and brakes What is a “fuel system check”? a) A procedure to ensure the fuel system is free from leaks and functioning properly b) A test to measure fuel efficiency c) A check to verify fuel quality and quantity d) An inspection of the aircraft’s electrical system Answer: a) A procedure to ensure the fuel system is free from leaks and functioning properly What is a “vibration analysis” used for? a) To detect and diagnose issues with rotating components and engines b) To measure aircraft speed c) To analyze fuel consumption patterns d) To assess cabin noise levels Answer: a) To detect and diagnose issues with rotating components and engines What does “TAT” stand for in the context of aircraft maintenance? a) Turn-Around Time b) Total Air Temperature c) Time After Takeoff d) Time At Terminal Answer: b) Total Air Temperature What is the purpose of a “maintenance logbook”? a) To record all maintenance and repair activities performed on the aircraft b) To document daily flight hours c) To track aircraft fuel levels d) To list passenger details Answer: a) To record all maintenance and repair activities performed on the aircraft What is the role of a “maintenance technician”? a) To perform inspections, repairs, and routine maintenance on aircraft b) To pilot the aircraft during flights c) To manage flight schedules d) To design aircraft systems Answer: a) To perform inspections, repairs, and routine maintenance on aircraft What is “corrective maintenance”? a) Maintenance performed to correct identified faults or defects b) Scheduled routine inspections c) Preventive measures to avoid future faults d) Routine cleaning and servicing Answer: a) Maintenance performed to correct identified faults or defects What does “STC” stand for in aircraft maintenance? a) Supplemental Type Certificate b) Standard Test Certification c) Safety Test Certificate d) System Technical Certificate Answer: a) Supplemental Type Certificate What is “preventive maintenance”? a) Maintenance performed to prevent potential problems and ensure reliability b) Repairing components after they fail c) Overhauling major aircraft systems d) Cleaning the aircraft Answer: a) Maintenance performed to prevent potential problems and ensure reliability What is the “purpose of a maintenance check” in aviation? a) To ensure that the aircraft operates within its safety and performance limits b) To update the aircraft’s navigation systems c) To monitor the aircraft’s fuel consumption d) To improve cabin comfort Answer: a) To ensure that the aircraft operates within its safety and performance limits What is “preventive maintenance schedule”? a) A plan outlining regular maintenance tasks to prevent failures b) A list of emergency repair procedures c) A schedule for pilot training d) A timeline for aircraft redesign Answer: a) A plan outlining regular maintenance tasks to prevent failures What is a “troubleshooting procedure”? a) A systematic approach to identify and resolve malfunctions or issues b) A routine check for aircraft cleanliness c) A process for calibrating flight instruments d) A method for updating aircraft software Answer: a) A systematic approach to identify and resolve malfunctions or issues What does “CAMO” stand for? a) Continuing Airworthiness Management Organization b) Civil Aircraft Maintenance Office c) Commercial Aircraft Management Operation d) Certified Aircraft Maintenance Operator Answer: a) Continuing Airworthiness Management Organization What is “aircraft overhaul”? a) A comprehensive and detailed examination and repair of aircraft systems and components b) A routine cleaning and servicing c) A pre-flight inspection d) A minor repair of damaged parts Answer: a) A comprehensive and detailed examination and repair of aircraft systems and components What is a “compliance check”? a) Verification that all maintenance activities are performed according to regulations and standards b) Checking for aircraft performance c) Inspecting the cabin for comfort d) Updating the aircraft’s software Answer: a) Verification that all maintenance activities are performed according to regulations and standards What is “line replaceable unit” (LRU)? a) A component that can be replaced quickly and easily on the line without extensive workshop procedures b) A major engine component c) A structural part of the aircraft d) A non-repairable component Answer: a) A component that can be replaced quickly and easily on the line without extensive workshop procedures What is a “service check”? a) An inspection or maintenance task performed at regular intervals to ensure the aircraft remains in serviceable condition b) A check for compliance with safety regulations c) A test of the aircraft’s flight performance d) A review of the aircraft’s technical specifications Answer: a) An inspection or maintenance task performed at regular intervals to ensure the aircraft remains in serviceable condition What is “aircraft corrosion prevention”? a) Measures taken to protect aircraft from damage due to corrosion and deterioration b) Routine cleaning of the aircraft c) Calibration of aircraft instruments d) Checking the fuel system for leaks Answer: a) Measures taken to protect aircraft from damage due to corrosion and deterioration What is a “maintenance release”? a) A certification that the aircraft is safe to return to service after maintenance b) A document for requesting parts c) A report on fuel efficiency d) A log entry for completed flights Answer: a) A certification that the aircraft is safe to return to service after maintenance What is “scheduled maintenance”? a) Maintenance that is planned and carried out at predetermined intervals b) Maintenance performed on an as-needed basis c) Emergency repairs due to unexpected failures d) Cleaning and cosmetic enhancements Answer: a) Maintenance that is planned and carried out at predetermined intervals What does “MTBUR” stand for? a) Mean Time Between Unscheduled Repairs b) Minimum Time Between Unscheduled Repairs c) Maximum Time Before Unscheduled Repairs d) Mean Time Between Unscheduled Repairs Answer: a) Mean Time Between Unscheduled Repairs What is “runway rubber removal”? a) The process of removing rubber buildup from the runway surface to maintain safety and performance b) Cleaning of the aircraft tires c) Removing rubber residue from the landing gear d) Replacing worn-out runway markings Answer: a) The process of removing rubber buildup from the runway surface to maintain safety and performance What is a “maintenance interval”? a) The time period between scheduled maintenance tasks b) The duration of an aircraft’s flight c) The time between refueling stops d) The period of time between aircraft overhauls Answer: a) The time period between scheduled maintenance tasks