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26.36 Lubrication Systems - Engine

26.36.2 Explain the main functions of an engine oil system.

26.36.4 Describe the effect of temperature on the viscosity and lubrication qualities of oil. 

26.36.6 Compare the features of the ashless dispersant (AD) oils used in piston aero-engines with straight mineral oil and detergent oils. 

26.36.8 With respect to oil grades, differentiate between the commercial aviation numbers and SAE ratings. 

26.36.10 Differentiate between a wet sump and a dry sump oil system. 

26.36.12 Describe the function of:

(a) the engine-driven oil pump and pressure relief valve;

(b) oil lines, passages and galleries;