Lubrication and Greasing Flashcards
1
Q
What type of oil is mainly used on piston engines?
A
Mineral Based oils
2
Q
What type of oil is mainly used on turbine engines?
A
Synthetic
3
Q
What is the main disadvantage of straight mineral oil
A
At altitude it oxidises or when aerated
4
Q
What is the main disadvantage of metallic-ash detergent oil
A
Found that it was good as it minimised spark plug fouling and pre-ignition but the cleaning action loosened carbon deposits and sludge which would end up blocking oil passages and filters
5
Q
Ashless dispersant oil
A
Doesn’t have the carbon-forming restrictions of straight mineral oil and it doesn’t form ash deposits as detergent oil does. Is generally pretty good
6
Q
A
