Surface Discharge Igniter Plugs Quiz

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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?

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?

Surface igniter plugs

Safety resistors

High Energy Ignition Unit (correct)

Transistorized devices

What role do discharge resistors play in the high energy ignition unit?

Prevent electric shock by dissipating remaining charge in the capacitor Signup and view all the answers

In modern turbines, what separates the positive and negative ends in surface igniter plugs?

Semiconductive material Signup and view all the answers

What happens if the igniter plug becomes disconnected in the high energy ignition unit?

Capacitor plates charge imbalance occurs Signup and view all the answers

What is the function of transistorized devices in aircraft?

To operate specifically on AC electrical systems Signup and view all the answers

Why is an unsynchronized beat from both units heard before starting the engine with the relight option?

To indicate that both units are working correctly Signup and view all the answers

What is a key feature of safety resistors in preventing explosions?

Allowing excess energy dissipation from capacitors Signup and view all the answers

Why are transistorized devices important for aircraft with AC electrical systems?

To operate specifically on that power supply Signup and view all the answers

Surface Discharge Igniter Plugs Quiz

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Questions and Answers

What is the purpose of safety resistors in the high energy ignition unit?

How do surface igniter plugs in modern turbines differ from spark plugs in conventional piston engines?

Which unit typically produces sparks at a rate of 60 to 100 per minute?

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?

What happens if the igniter plug becomes disconnected in the high energy ignition unit?

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?

What is a key feature of safety resistors in preventing explosions?

Why are transistorized devices important for aircraft with AC electrical systems?

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