CAT Aircraft Systems and Components 3

Question 1

What is the role of a fuel boost pump in an aircraft fuel system?

Accepted Answer

To provide positive fuel pressure to prevent vapor lock and supply fuel to engine-driven pumps

Answer

To filter fuel before it enters the combustion chamber

Answer

To transfer fuel between tanks for weight and balance

Answer

To pressurize the fuel tanks for high-altitude operation

Question 2

What is the purpose of bonding and grounding in aircraft systems?

Accepted Answer

To equalize electrical potential between components and provide a path to ground, preventing static buildup and sparks

Answer

To secure structural components to the airframe

Answer

To connect avionics systems to the flight management computer

Answer

To provide emergency electrical power

Question 3

In a reciprocating aircraft engine, what is the function of the magneto?

Accepted Answer

To generate high-voltage electrical current to fire the spark plugs independently of the aircraft electrical system

Answer

To regulate engine oil pressure

Answer

To control fuel mixture ratio

Answer

To measure engine RPM

Question 4

What is the purpose of safety wiring on aircraft fasteners?

Accepted Answer

To prevent nuts, bolts, and fittings from loosening due to vibration

Answer

To mark fasteners that have been inspected

Answer

To provide electrical bonding between components

Answer

To color-code fasteners by torque specification

Question 5

What does the term 'chord line' refer to in airfoil terminology?

Accepted Answer

An imaginary straight line from the leading edge to the trailing edge of an airfoil

Answer

The curved centerline of an airfoil

Answer

The maximum thickness measurement of a wing

Answer

The angle between the wing and the fuselage centerline

Question 6

What is the function of a fire loop detection system on an aircraft engine?

Accepted Answer

To continuously monitor engine nacelle temperature and trigger fire warnings when overtemperature is detected

Answer

To suppress fuel leaks automatically

Answer

To activate thrust reversers in case of engine failure

Answer

To monitor oil temperature trends