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Questions and Answers
What is a relight?
What is a relight?
- The initiation of the after burning system.
- The action of turning off the engine mid-flight.
- What occurs when the engine drain valve is stuck.
- The action of restarting a flamed out engine usually while airborne. (correct)
Which statement about CG limits is correct?
Which statement about CG limits is correct?
- FWD CG limit is set to ensure a minimum degree static longitudinal stability.
- AFT CG limit is set to ensure a minimum degree static longitudinal stability. (correct)
- Both AFT and FWD CG limits are set to ensure a minimum degree of controllability under the worst circumstances.
- AFT CG limit is set to ensure a minimum degree of controllability under the worst circumstances.
What are swept back and Delta wings known for?
What are swept back and Delta wings known for?
- Highly efficient at all speeds.
- Very efficient at high speed but corresponding inefficient at low speeds. (correct)
- Neither efficient at low or high speed.
- Fairly inefficient at high speed but very efficient at low speed.
What is the function of Shut off valve in a pneumatic system?
What is the function of Shut off valve in a pneumatic system?
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5
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In level flight, if the aircraft is performing a manoeuvre such that, twice the weight, the load factor will be:
In level flight, if the aircraft is performing a manoeuvre such that, twice the weight, the load factor will be:
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Study Notes
Relight
- A relight refers to the process of igniting the combustion chambers of an aircraft engine after it has been shut down.
- It is crucial for restarting engines during flight, particularly after surges or shutdowns.
CG Limits
- CG, or Center of Gravity, limits are crucial for maintaining aircraft stability and control.
- Correct statement: CG limits define the acceptable range within which the center of gravity must lie to ensure safe flight operations; exceeding these limits can lead to compromised flight performance.
Swept Back and Delta Wings
- Swept back wings are characterized by their angled design, improving high-speed performance and delaying airflow separation.
- Delta wings have a triangular shape and are known for their excellent stability, control at high speeds, and ability to maintain structural integrity at high angles of attack.
Shut Off Valve in a Pneumatic System
- The shut-off valve controls the flow of compressed air within a pneumatic system.
- Its primary function is to isolate or shut off the air supply to specific components, enhancing system safety and maintenance efficiency.
Load Factor in Level Flight
- In level flight, the load factor is defined as the ratio of lift to weight.
- If the aircraft experiences maneuvers resulting in twice its weight, the load factor will increase twofold to correspond with the increased aerodynamic forces required for that maneuver.
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Test your knowledge of aviation maintenance with these important questions related to relighting engines and aircraft center of gravity limits.
