EK Motor Oct 2018 (Q3)

(a) Describe the cause and effects of bacterial attack on crankcase lubricating oil (6)  

(b) Explain how bacterial attack on crankcase oil may be detected. (4)  

(c) Describe how a crankcase lubricating oil system may be returned to service following bacterial attack of the lubricating oil (6)

Oct 2018 (Q3)