FREE AAC Aircraft Systems & Components Questions and Answers

Question 1

What is the primary function of the hydraulic system in an aircraft?

Accepted Answer

To operate flight control surfaces and landing gear.

Answer

The hydraulic system in an aircraft is critical for operating heavy-duty components that require significant force. Its primary function is to use pressurized fluid to power essential systems such as flight control surfaces (e.g., ailerons, rudder, elevators) for maneuvering and the landing gear for takeoff and landing. This ensures precise, powerful, and reliable operation of these vital parts.

Question 2

Which component is responsible for generating electrical power in an Army helicopter?

Accepted Answer

Generator

Answer

In an Army helicopter, the generator is the primary component responsible for generating electrical power while the engine is running. It converts mechanical energy from the engine into electrical energy to operate the aircraft's various electrical systems, including avionics, lighting, and other onboard equipment. While batteries provide power for starting and emergencies, the generator sustains the electrical load during flight.

Question 3

What is the purpose of the torque meter in an aircraft engine system?

Accepted Answer

To measure engine torque output.

Answer

The torque meter in an aircraft engine system is specifically designed to measure the engine's torque output, which is the rotational force produced. This measurement is crucial for monitoring engine performance, ensuring it operates within safe limits, and determining the power being delivered to the propeller or rotor system. Accurate torque measurement is vital for flight safety and efficiency.

Question 4

Which system ensures proper airflow for engine combustion?

Accepted Answer

Air intake system

Answer

The air intake system is crucial for engine combustion as it ensures a clean and sufficient supply of air to the engine. It filters out contaminants and directs the air into the combustion chambers, where it mixes with fuel for ignition. Proper airflow is essential for efficient engine operation, optimal power generation, and preventing damage from foreign objects.

Question 5

What role does the transmission system play in Army aviation maintenance?

Accepted Answer

Transferring power from engines to rotors.

Answer

In Army aviation maintenance, the transmission system plays a critical role in transferring power from the engines to the rotors. It is a complex gearbox that takes the high-speed, low-torque output from the engines and converts it into the lower-speed, high-torque output required to spin the main and tail rotors. This power transfer is essential for generating lift and controlling the helicopter.

AAC - Army Aviation Maintenance Program Practice Test

AAC - Army Aviation Maintenance Program Practice Test

FREE AAC Aircraft Systems & Components Questions and Answers