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Questions and Answers
What happens to lift production when the angle of attack is increased?
What happens to lift production when the angle of attack is increased?
What is the primary function of flaps on an aircraft?
What is the primary function of flaps on an aircraft?
Which type of stability is defined as an aircraft's ability to return to level flight after a roll disturbance?
Which type of stability is defined as an aircraft's ability to return to level flight after a roll disturbance?
How does camber affect the lift produced by an aircraft wing?
How does camber affect the lift produced by an aircraft wing?
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What does longitudinal instability in an aircraft indicate?
What does longitudinal instability in an aircraft indicate?
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Which component of the Environmental Control System filters and conditions outside air for the aircraft?
Which component of the Environmental Control System filters and conditions outside air for the aircraft?
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What is the primary function of an Emergency Locator Transmitter (ELT)?
What is the primary function of an Emergency Locator Transmitter (ELT)?
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Which material is primarily used for manufacturing turbine blades due to high-temperature resistance?
Which material is primarily used for manufacturing turbine blades due to high-temperature resistance?
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Why is it important to maintain the correct weight and balance record for an aircraft?
Why is it important to maintain the correct weight and balance record for an aircraft?
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What is the primary purpose of hydraulic systems in aircraft?
What is the primary purpose of hydraulic systems in aircraft?
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What is meant by the term 'all up weight' in aviation?
What is meant by the term 'all up weight' in aviation?
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How does rigging affect an aircraft's performance?
How does rigging affect an aircraft's performance?
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What is the function of hydraulic pressure relief valves in an aircraft hydraulic system?
What is the function of hydraulic pressure relief valves in an aircraft hydraulic system?
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What material is primarily used in aircraft landing gear for its strength and durability?
What material is primarily used in aircraft landing gear for its strength and durability?
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What should be done if hydraulic fluid is found below the recommended level during maintenance?
What should be done if hydraulic fluid is found below the recommended level during maintenance?
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How can water contamination in fuel be visually detected?
How can water contamination in fuel be visually detected?
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What is the primary advantage of tubeless tires compared to traditional tires with inner tubes?
What is the primary advantage of tubeless tires compared to traditional tires with inner tubes?
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What type of landing gear strut is commonly used in modern aircraft?
What type of landing gear strut is commonly used in modern aircraft?
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Study Notes
Aircraft Systems and Aerodynamics
- Lift Production and Angle of Attack: Increasing the angle of attack increases lift production.
- Aircraft Flaps: Flaps primarily increase lift and drag at lower speeds, aiding in takeoff and landing.
- Aircraft Stability: Directional stability is the ability of an aircraft to return to level flight after a yaw disturbance. Lateral stability is the aircraft's ability to return to level flight after a roll disturbance.
- Camber and Lift: Higher camber on a wing results in higher lift.
- Longitudinal Instability: Longitudinal instability indicates uncontrollable pitching of the aircraft.
- Aircraft Maneuvers: Pitching involves rotating the aircraft around its lateral axis.
- Environmental Control System (ECS): The air cycle machine filters and conditions the outside air for the aircraft's cabin.
- Emergency Oxygen Supply: Provides supplemental oxygen to passengers and crew.
- Refueling Shut-off Valve: Prevents overfilling of the fuel tank.
- Pressurized Fuel Feed Systems: Do not reduce fuel consumption.
- Fuel Level Indicator: Displays the remaining fuel in the tanks during flight.
- Emergency Locator Transmitter (ELT): Sends a distress beacon to help rescuers locate a distressed aircraft.
- Turbine Blade Material: Nickel superalloy is primarily used for turbine blades due to its high-temperature resistance.
- Bimetallic Fire Detectors: They are entirely mechanical and not susceptible to power failures.
- Oil Cooler Function: Cools down the hot lubricating oil in the aircraft engine.
- Titanium in Aircraft Construction: Titanium has a high strength-to-weight ratio and high thermal resistance.
- Weight and Balance: Maintaining correct weight and balance records ensures the aircraft's center of gravity doesn't move too far from its center of lift.
- Crankshaft TDC: The crankshaft reaches its top dead center (TDC) position during the compression stroke of a 4-stroke cycle.
- Rigging and Center of Gravity: Proper rigging ensures all components are installed symmetrically for stability and correct center of gravity.
- Hydraulic Pressure Relief Valves: Prevent overpressure from damaging hydraulic components.
- Landing Gear Material: Titanium alloy is often used in landing gear due to its strength and durability.
- Utility Hydraulic System: Powers utility systems like thrust reversers and slats.
- All-Up Weight: The total weight of an aircraft at the start of a flight.
- Water Contamination Detection: Water in fuel can be visually detected by observing a layer of water in the fuel sample.
- Hydraulic Systems in Aircraft: Power flight controls, landing gears, and brakes.
- Hydraulic Fluid Levels: If hydraulic fluid is below the recommended level, check for leaks and top up if there are no leaks.
- Tubeless Tires: Offer improved puncture resistance compared to tires with inner tubes.
- Landing Gear Maintenance: Update SAF 1400-6 (Change of Serviceability and Repair Log) after landing gear maintenance.
- Shock Strut Function: Supports aircraft weight and absorbs landing forces.
- Oleo Strut: A common type of landing gear strut in modern aircraft.
- Brake System Failure: Can lead to runway overrun and loss of control.
- Liquid Oxygen (LOX) vs OBOGS: LOX has a limited supply, OBOGS generate oxygen continuously.
- Smoke Detector Operation: Detect smoke through changes in air particle properties.
- Windshield Defogger Power: Electrical power is the typical source.
- CO2 Cartridges in Life Rafts: Inflate life rafts rapidly.
- Refueling Shut-off Valve: Prevents overfilling the fuel tank during refueling.
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Description
Test your knowledge on aircraft systems and the principles of aerodynamics. This quiz covers essential topics like lift production, angle of attack, stability, and various aircraft maneuvers. Understand the mechanics that ensure safe flight and the key systems that support aircraft operations.
