Engine : Expired / Motor Plants and Auxiliary Boilers - 784/354
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| Both crosshead type and trunk type lubricating oil are received on board a vessel. These two oils cannot be interchanged due to which of the following reasons? |
| A) Crosshead type lubricating oil has a lower pour point |
| B) Crosshead type lubricating oil has a lower base number as it does not need to neutralize the combustion byproducts |
| C) Trunk type lubricating oil has a higher flash point |
| D) Crosshead type engine oil scraper rings are designed for a certain oil type |
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