A.control equipment
B.power unit
C.transmission mechanisms
D.fittings and pipeline
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A.dog clutch
B.Pair of gears
C.worm gear
D.turning gear
A.cranes
B.mooring barrel
C.capstans
D.cable lifter
A.popular
B.common
C.in lead position
D.uncommon
A.spur geared
B.screw geared
C.worm geared
D.belt driven
A.cranes
B.windlass
C.capstans
D.mooring winches
最新試題
() is not installed on the main switchboar.
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
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
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.
Under MARPOL Code the ship to which it applies has to carry ()
To proceed to the assistance of a ship in distress is()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The treatment of the fuel oils involves storage, heating, filtering and()
Flame failure in an automatically fired auxiliary boiler can from a/an ()