5. Certain watch keeping duties are necessary for the continuous operation of equipment or
plan such as the ________.
(A) purifying oil
(B) transferring oil
(C) supplying fuel from rank to engine
(D) heating heavy oil
27. Which type of marine propulsive engine can offer the advantages of low weight and space
requirements?
(A) Diesel engine
(B) Steam turbine engine
(C) Gas turbine engine
(D) Steam reciprocating engine
22. 下列何者適用於表達「啟動循環泵」的意思？
(A) Starting central pump
(B) Start up the circulating pump
(C) Starting the centrifugal pump
(D) Start up the compressive pump
29. Although the majority of low-speed engines and many medium-speed engines are
operated on heavy fuels, there is still a balance to be struck between the lower cost of the heavier
fuels and the inconvenience and greater cost of fuel treatment and increased engine maintenance
that inevitably results from their use. Therefore,
(A) the use of heavy fuels could increase the cost of fuel treatment.
(B) the use of heavy fuels could reduce the maintenance duty.
(C) the inconvenience of fuel treatment is induced by the increased engine maintenance.
(D) the use of heavy fuels is not appropriate for low-speed engine but is acceptable for mediumspeed engine.
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