A.make-up
B.desired value
C.deviation
D.set value
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A.the bridge officer on watch
B.the chief engineer
C.the duty engineer
D.the duty motorman
A.open
B.open front type
C.live front type
D.None of the above
A.alternator
B.glass thermometer
C.burdon tube
D.piezoelectric pressure transducer
A.the system is manned manually
B.the system is situated remotely from the operator
C.the system is controlled automatically
D.all the above
A.the capstan
B.the collector
C.the panels
D.the surface
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（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Using a file without a handle may result in （）
The condensers located in various stages of a flash evaporator are cooled by（）
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
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
If separating effect is not good, which measure should be taken （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
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