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MEO Class II – EK-Motor : 2022/NOV/06
Question

Q6. Express your reactions and state the subsequent investigation you would make if a laboratory report on a used diesel engine oil sample indicated the presence of appreciable amounts of:

A. Iron; B. Copper, C. Antimony and Tin; D. Silicon; E. n-pentane and toluene insoluble

Asked in Year/Month/Ques No.
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