27. 有關1973/78防止船舶造成油污染的國際公約(MARPOL 73/78)之艙底水排放規定，下列敘述何者正確？ (A) 油水分離設備，分成分離設備與過濾設備二部分 (B) 經過分離設備之流出物，其含油量須高於15 ppm (C) 經過過濾設備之流出物，其含油量須高於100 ppm (D) 分離設備不得與過濾設備串聯使用

39. The ignition delay associated with fuels of low ignition quality results in a late and more explosive start to the combustion period, which results in higher peak pressures and consequent rough and noisy operation. This means what？ (A) the ignition delay could increase the mean effective pressure of cycle (B) the more explosive start to the combustion period due to ignition delay could generate the higher peak pressure (C) the ignition delay associated with fuels of low ignition quality is beneficial for engine performance as it results in higher peak pressures (D) the ignition delay associated with fuels of low ignition quality could alleviate the noise generation

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