A.in addition to
B.in addition that
C.except that
D.except when
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A.As long as
B.As far as
C.As well as
D.Unless
A.Late as it was
B.As it was late
C.Since it was late
D.Because of its late
A.make
B.put
C.keep
D.get
A.Stand-by Engine
B.Stop Engine
C.Finished With Engine
D.Dead Slow Ahead
A.fixed pitch propellers
B.uncontrollable pitch propeller
C.constant pitch propellers
D.variable pitch propellers
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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.
Engine parameters shall be corresponded to NOx Technical Files. This is required 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
()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 ()
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()
Diesel engine air start system check valves are opened by ()
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
The treatment of the fuel oils involves storage, heating, filtering and()
Which of the following items don’t belong to dock repair works?()