A.thermal
B.mechanical
C.plastic
D.elastic
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A.drill cooled
B.hole cooled
C.tube cooled
D.bore cooled
A.running-in
B.running-out
C.running on
D.running down
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
最新試題
Diesel engine air start system check valves are opened by （）
To proceed to the assistance of a ship in distress is（）
Under MARPOL Code the ship to which it applies has to carry （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Cold weather starting of a diesel engine may be made easier by（）
Using a file without a handle may result in （）