GTS Mod 5 Difficult

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Questions and Answers

Which type of system uses a hydraulic mechanism to start the gas turbine engine?

  • Starter-generator
  • Air impingement starting
  • Pneumatic starter system
  • Electric starters (correct)

What component is responsible for starting the gas turbine engine using electricity?

  • Air impingement starting
  • Pneumatic starter system
  • Starter-generator (correct)
  • Hydraulic starters

Which system uses compressed air to initiate the startup process of the gas turbine engine?

  • Electric starters
  • Starter-generator
  • Start sequencing (correct)
  • Pneumatic starter system

What controls the starting of the gas turbine engine and ensures a proper sequence?

<p>Engine controls (A)</p> Signup and view all the answers

Which component is responsible for controlling the typical start sequence of the gas turbine engine?

<p>Engine controls (B)</p> Signup and view all the answers

In the gas turbine engine, what component connects the starter motor to the engine to facilitate starting?

<p>Reduction gear and clutch assembly (C)</p> Signup and view all the answers

What is the primary action required of the pilot when starting an engine with an automatic sequence?

<p>Press the start button (C)</p> Signup and view all the answers

Why is it important to control the starting and ignition sequences in a gas turbine engine?

<p>To ensure sufficient airflow for combustion (A)</p> Signup and view all the answers

What must be achieved before ignition can begin in a gas turbine engine?

<p>Minimum fuel flow rate during cranking (C)</p> Signup and view all the answers

What system ensures a gas turbine engine starts satisfactorily?

<p>Starting and ignition systems (B)</p> Signup and view all the answers

Why is it critical to effectively sequence ignition and fuel flow during engine starting?

<p>To prevent turbine damage due to over-temperature and unstable airflow (D)</p> Signup and view all the answers

Which component is responsible for manually turning igniters on in some engine start configurations?

<p>Pilot (C)</p> Signup and view all the answers

What is the main purpose of the undercurrent controller in a starter-generator system?

<p>To control the input to the starter motor (A)</p> Signup and view all the answers

What does the motor relay in the undercurrent controller unit control?

<p>Input to the starter (D)</p> Signup and view all the answers

In the context of engine starting, why does the aircraft designer choose to use external electrical power instead of a self-contained start?

<p>To conserve the aircraft battery (D)</p> Signup and view all the answers

Which component ensures that the starter-generator system operates only when needed for engine start?

<p>Undercurrent relay (D)</p> Signup and view all the answers

What is a key function of the starter-generator system when used as a starter for an engine?

<p>To maintain engine operation until self-sustained speed is reached (D)</p> Signup and view all the answers

Which major component of a starter-generator system controls the operation of the starter when it is used as a starter?

<p>Undercurrent controller (C)</p> Signup and view all the answers

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