A.because
B.thanks to
C.dues to
D.owing to
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A.because
B.since
C.due to
D.owing to
A.when
B.how
C.where
D.whether
A.slow-speed diesel
B.medium-speed diesel
C.high-speed diesel
D.constant-speed diesel
A.injector
B.compressor
C.diffuser
D.siphon
A.Should knocking occur
B.If knocking occur
C.Should if knocking occurs
D.If occur knocking
最新試題
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The shipboard oil pollution emergency plan will be invalid after （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The cetane rating of diesel fuel is an indication of the （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
（） is not installed on the main switchboar.