18 Questions
What is the only action the pilot needs to take to start a gas turbine engine?
Press the start button
Why is it important to control the starting and ignition sequences of a gas turbine engine?
To ensure sufficient airflow through the engine for combustion
What prevents ignition from beginning during the initial engine cranking phase?
Insufficient fuel flow rate
Why can turbine damage occur during engine starting?
Because of combustion over-temperature and unstable airflow
Which system ensures a gas turbine engine starts satisfactorily?
Starting and ignition systems
What must be controlled by a speed sensitive control in an automatic sequence for a gas turbine engine?
Fuel flow, ignition, and engine functions
What components are part of the gas turbine engine starting systems?
Hydraulic starters and electric starters
Which system is responsible for starting the gas turbine engine using fluids?
Pneumatic starter system
What is the purpose of a starter-generator in the gas turbine engine system?
To generate power to start the engine
Which component of the gas turbine engine system uses air impingement for starting?
Pneumatic starter system
What part of the gas turbine engine system is involved in start sequencing?
Engine controls
In the context of gas turbine engine starting, what does a reduction gear and clutch assembly primarily aid in?
Hydraulic starting
What is the purpose of the undercurrent controller in a starter-generator system?
To control input to the starter
Which component ensures positive action of the starter in a starter-generator system?
Undercurrent relay
In what scenario would an aircraft battery be used to affect an engine start?
When external electrical power is unavailable
Which component controls the operation of the motor relay in a starter-generator system?
Starter undercurrent controller
Why did the aircraft designer not allow for a self-contained start in the starter-generator configuration described?
To avoid draining the aircraft battery
What is the main function of the motor relay in a starter-generator system?
To control input to the starter
Learn about the process of starting an aircraft engine, including automatic sequences and manual actions required by the pilot. Understand the functions controlled by speed sensitive switches and the steps involved in initiating an aircraft's engine system.
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