GTS Mod 6 Moderate

Play an AI-generated podcast conversation about this lesson

What component receives power from the DC bus through the fuel shut-off valve circuit breaker?

Fuel control relay (correct)

Ignition relay

HEIU

Fuel ignition switch

What is the main function of an aircraft bus?

Regulate cabin temperature

Steer the aircraft during flight

Supply electrical power to various components (correct)

Control the engine's speed

How do circuit breakers protect aircraft electrical circuits?

By controlling the engine's ignition timing

By regulating the voltage levels

By preventing short circuits (correct)

By providing a visual indication once activated

In the example used, what percentage switch energises the ignition relay?

16% Signup and view all the answers

What advantage do circuit breakers have over fuses?

Circuit breakers can be reset once the fault is rectified Signup and view all the answers

Where is the ignition relay usually located?

In the equipment compartment in the engine nacelle Signup and view all the answers

Which type of circuit breaker is most commonly found in aircraft?

White collar breaker Signup and view all the answers

Which part of the automatic engine starting control system is referred to as 'the heart'?

Speed sensitive control Signup and view all the answers

What is the purpose of an engine ignition system in relation to the aircraft bus?

Supply ignition power from the DC bus Signup and view all the answers

What advantage do circuit breakers have over fuses based on the text provided?

Circuit breakers can be easily reset without replacement Signup and view all the answers

What is the purpose of a continuous duty cycle ignition system in an aircraft?

To offer continuous engine relight capability during critical flight manoeuvres Signup and view all the answers

What is the main advantage of using a circuit breaker rather than a fuse in an aircraft ignition system?

Reusability after tripping Signup and view all the answers

Which type of ignition system is typically equipped in gas turbine engines?

Dual high energy ignition system Signup and view all the answers

In an aircraft, what components make up a typical ignition system?

Ignition leads, igniter plugs, fuel control relay Signup and view all the answers

How do AC and DC igniter systems differ in terms of components?

Operating voltages only Signup and view all the answers

Which component is responsible for controlling the flow of electrical power in an aircraft?

Circuit breakers Signup and view all the answers

What is a key advantage of circuit breakers over fuses in aircraft electrical systems?

Circuit breakers can be reset after tripping Signup and view all the answers

Which type of aircraft bus is typically used to distribute DC and AC power throughout an aircraft?

DC/AC aircraft bus Signup and view all the answers

What are the two main types of duty cycles associated with ignition systems?

Intermittent duty cycle, continuous duty cycle Signup and view all the answers

Which device is designed to protect an electrical circuit from excess current?

Circuit breakers Signup and view all the answers

What is a key advantage of circuit breakers over fuses in aircraft systems?

Circuit breakers provide a more convenient and quick way to reset after an overload Signup and view all the answers

What are some common types of circuit breakers used in aircraft systems?

Thermal, magnetic, and manual reset Signup and view all the answers

Which component of an ignition system is responsible for interrupting the primary current when a circuit breaker is activated?

Circuit breaker relay Signup and view all the answers

In an aircraft system, what is the purpose of an aircraft bus?

To provide power distribution to various aircraft components Signup and view all the answers

What is the primary function of circuit breakers in an aircraft ignition system?

To protect the ignition system from electrical overload Signup and view all the answers

What is the function of the trembler contacts in a DC HEIU?

To vibrate rapidly and open/close the primary circuit Signup and view all the answers

What is the purpose of the reservoir capacitor in the DC HEIU system?

To store voltage until it reaches the breakdown value of the discharge gap Signup and view all the answers

In an aircraft, what is the primary function of a circuit breaker?

To protect aircraft electrical circuits from overloads Signup and view all the answers

What type of circuit breaker is commonly found in aircraft systems?

Thermal circuit breaker Signup and view all the answers

In the context of aircraft systems, what advantage do circuit breakers have over fuses?

Circuit breakers can be reset after tripping Signup and view all the answers

What is the purpose of the relight switch in the aircraft cabin?

To supply DC voltage directly to the HEIU for re-ignition Signup and view all the answers

What does an igniter lead connect in relation to the High Energy Ignition Unit (HEIU)?

Connects the igniter plug to the HEIU Signup and view all the answers

What voltage can the High Energy Ignition Unit (HEIU) be supplied with according to the text?

Both DC and AC voltage Signup and view all the answers

In what scenario does an engine continue to rotate during an in-flight flame-out?

When there is still fuel flow and an ignition source is present Signup and view all the answers

What component of an aircraft bus system is crucial for supplying power to various aircraft systems?

Bus voltage Signup and view all the answers

What differentiates a circuit breaker from a fuse?

Circuit breakers can be reset after overload whereas fuses must be replaced Signup and view all the answers

Which type of circuit breaker is commonly found in aircraft due to their ability to interrupt large currents?

Magnetic circuit breaker Signup and view all the answers

What is a significant advantage of using a circuit breaker over a fuse in an aircraft electrical system?

'Fast-acting' circuit breakers offer quicker protection against overloads than fuses Signup and view all the answers