Podcast
Questions and Answers
What is the purpose of safety resistors in the high energy ignition unit?
What is the purpose of safety resistors in the high energy ignition unit?
- To increase the rate of sparks produced
- To speed up the flow of energy to the igniter plug
- To balance the charge on the capacitor plates
- To prevent an excessive build-up of energy in the capacitor (correct)
How do surface igniter plugs in modern turbines differ from spark plugs in conventional piston engines?
How do surface igniter plugs in modern turbines differ from spark plugs in conventional piston engines?
- They operate at a slower rate
- They are made of different materials
- There is no air-gap between the positive and negative ends (correct)
- They require a higher voltage for ignition
Which unit typically produces sparks at a rate of 60 to 100 per minute?
Which unit typically produces sparks at a rate of 60 to 100 per minute?
- Surface igniter plugs
- Safety resistors
- High Energy Ignition Unit (correct)
- Transistorized devices
What role do discharge resistors play in the high energy ignition unit?
What role do discharge resistors play in the high energy ignition unit?
In modern turbines, what separates the positive and negative ends in surface igniter plugs?
In modern turbines, what separates the positive and negative ends in surface igniter plugs?
What happens if the igniter plug becomes disconnected in the high energy ignition unit?
What happens if the igniter plug becomes disconnected in the high energy ignition unit?
What is the function of transistorized devices in aircraft?
What is the function of transistorized devices in aircraft?
Why is an unsynchronized beat from both units heard before starting the engine with the relight option?
Why is an unsynchronized beat from both units heard before starting the engine with the relight option?
What is a key feature of safety resistors in preventing explosions?
What is a key feature of safety resistors in preventing explosions?
Why are transistorized devices important for aircraft with AC electrical systems?
Why are transistorized devices important for aircraft with AC electrical systems?
