Ballasting or cleaning of fuel oil tanks
Shifting suction of main fuel pump to reserve fuel oil tank
Changing out sprayer plates to adjust for steam demand
Daily inspection of engine room bilges
单选题Which of the following operations must be entered on the Oil Record Book Part Ⅰ? （） Ⅰ.Routine discharge at sea of bilge water containing oil from the machinery spaces Ⅱ.Bunkering of fuel oilA Ⅰ onlyB Ⅱ onlyC both Ⅰ and ⅡD neither Ⅰ nor Ⅱ
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单选题When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）AThe number pages over the limitBThe pages to paging space per secondCThe number of page operations per secondDThe number of processes waiting for page out
单选题During inspection of the machinery space, which of the following statements points to an unsatisfactory organization of the systematic maintenance?（）A missing valve hand wheelsB dirty tank topsC a large number of temporary repairsD All of the above
单选题Which of the following is not a recommended safe practice?（）A Securing equipment against slipping or driftingB Operating machinery at its recommended speedC Repairing loose handles on tools before usingD Using tools for purpose for which they are not designed
单选题When operating with a negative suction head, which of the following types of pumps will require priming?（）A ReciprocatingB CentrifugalC RotaryD Gear
单选题The temperature of the fuel oil received during bunkering operations is critical in determining the（）A expansion space to leave in a tankB flash point at which the fuel will burnC temperature to which the fuel must be heatedD rate at which the fuel can be pumped during transfer operations
多选题Which operations require undo data（）ACommitting a transactionBFlashing back a transactionCRecovering a failed transactionDRunning a read-consistent queryEChanging a tablespace status from READ ONLY to READ WRITE
