EK-Motor : 2021/DEC/07 – 2015/JUL/07
Question
Q7. With reference to diesel engine lubricating oil and distillate fuel oil:
(a) describe the causes and effects of microbial attack; (6)
(b) explain how microbial attack may be detected; (4)
(c) describe how an oil system may be returned to service following microbial attack. (6)
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