Chapter 20 - The Cooling System Flashcards
1
Q
What are the negative effects of too high engine temperature?
A
- Reduction in efficiency
- Incorrect combustion
- Can cause detonation
- Can weaken engine components
- Reduction in engine life
2
Q
What can be fitted to engine parts (e.g cylinders) to enhance cooling?
A
Cooling fins
3
Q
How do cooling fins enhance cooling?
A
Increase the surface area allowing more heat to escape
4
Q
What are the two main types of cooling system fitted to aircraft
A
- Air-cooling
- Liquid-cooling
5
Q
What are cowl flaps?
A
Mechanisms fitted to allow an increase in airflow through the engine bay
6
Q
What are the two main types of cowl flaps?
A
Fixed and variable
7
Q
Which cockpit instrument should be used to determine whether or not cowl flaps should be open or closed (variable type)?
A
The cylinder head temperature (CHT) gauge
