A.running-in
B.running-out
C.running on
D.running down
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A.10%
B.15%
C.20%
D.25%
A.dozens
B.parcels
C.bundles
D.gallons
A.water cooling
B.oil cooling
C.air cooling
D.combined cooling
A.conflict
B.accord
C.harmonize
D.struggle
A.metering
B.control
C.using
D.timing
最新試題
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
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
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which of the following items don’t belong to dock repair works?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Cold weather starting of a diesel engine may be made easier by（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）