Chapter 19 - The Oil System Flashcards
What are the four main functions of lubricative oil?
- Reduce friction
- Cools the engine
- Carries contaminents away
- Provides a seal
In general words, why do we need a lubrication system?
To protect the engine
Should engine oil have a low flash point, or a high flash point?
High
Should engine oil have a low fire point, or a high fire point?
High
Describe the viscostity of engine oil
Engine oil should be sufficiently viscous over the operating temperatures of the engine
What is the difference between a wet sump oil system and a dry sump oil system?
A dry sump oil system has a scavenge pump
Which is more expensive, a dry sump oil system or a wet sump oil system?
A dry sump system
What oil indications are typically visable in the cockpit?
Temperature and pressure
As part of your daily pre-flight inspection (check A), what shoukd you check the oil cooler for?
- Freedom from nests/birds/insects/etc.
- Any leaks or general damage
What could cause a high oil pressure indication?
A blockage in the system
What could cause a low oil pressure indication?
A leak in the system
