What is the primary function of the powerplant in an aircraft?
The powerplant generates thrust or power to propel the aircraft and operate onboard systems.
Which component of a turbine engine compresses incoming air before combustion?
The compressor section increases air pressure for efficient combustion in the burner cans.
What is the purpose of the magneto in a reciprocating engine?
Magnetos generate high-voltage sparks to ignite the fuel-air mixture independently of the aircraft's electrical system.
Which type of engine is commonly used in modern commercial airliners?
High-bypass turbofan engines offer a balance of thrust and fuel efficiency for large aircraft.
What is the purpose of the oil system in an aircraft engine?
The oil system lubricates moving parts, reduces friction, and helps cool the engine.
Which of the following indicates a potential problem in a turbine engine's exhaust gas temperature (EGT)?
EGT exceeding limits can signal combustion inefficiency or mechanical issues.
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What is the function of the propeller governor in a reciprocating engine?
The governor maintains constant propeller RPM by adjusting blade pitch.
Which of the following is a symptom of carburetor icing?
Carburetor icing can cause engine roughness or loss of power due to restricted airflow.
What is the purpose of the APU (Auxiliary Power Unit) in an aircraft?
The APU provides electrical power and pneumatic pressure when the main engines are off.