CAT Aircraft Systems and Components

Question 1

What is the primary function of an aircraft's hydraulic system in large commercial aircraft?

Accepted Answer

To actuate flight controls, landing gear, and brakes

Answer

To supply fuel to the engines

Answer

To pressurize the cabin

Answer

To generate electrical power

Question 2

Which type of aircraft structure uses the outer skin to carry primary structural loads?

Accepted Answer

Monocoque

Answer

Truss

Answer

Semi-monocoque

Answer

Geodesic

Question 3

What does the term 'V-speeds' refer to in aviation?

Accepted Answer

Defined airspeeds critical to aircraft operation and safety

Answer

Variable engine thrust settings

Answer

Vertical climb rate benchmarks

Answer

Vectored thrust velocity limits

Question 4

In a turbofan engine, what is the purpose of the bypass ratio?

Accepted Answer

It describes the ratio of air bypassing the engine core to air flowing through the core

Answer

It measures fuel-to-air mixture

Answer

It indicates the ratio of turbine stages to compressor stages

Answer

It defines the thrust reverser efficiency

Question 5

What is the function of an aircraft's pitot-static system?

Accepted Answer

To measure airspeed, altitude, and vertical speed by sensing air pressure

Answer

To control cabin pressurization

Answer

To direct boundary layer airflow over the wing

Answer

To cool avionics equipment

Question 6

What type of corrosion is most common where two different metals are in contact in a moist environment?

Accepted Answer

Galvanic corrosion

Answer

Uniform corrosion

Answer

Crevice corrosion

Answer

Intergranular corrosion