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
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2
Q

What can be fitted to engine parts (e.g cylinders) to enhance cooling?

A

Cooling fins

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3
Q

How do cooling fins enhance cooling?

A

Increase the surface area allowing more heat to escape

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4
Q

What are the two main types of cooling system fitted to aircraft

A
  • Air-cooling

- Liquid-cooling

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5
Q

What are cowl flaps?

A

Mechanisms fitted to allow an increase in airflow through the engine bay

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6
Q

What are the two main types of cowl flaps?

A

Fixed and variable

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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

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