A.cargo winch
B.chain lifter
C.cable stopper
D.windlass
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A.steering gear
B.windlass
C.deck crane
D.warping drum
A.ventilated and tagged
B.ventilated and cooled down
C.insulated and encased
D.insulated and warmed up
A.with the axis of the solenoid horizontal, sensing temperature of the box, and upstream of the thermal expansion valve
B.upright, sensing temperature of the box, and upstream of the thermal expansion valve
C.upright, sensing temperature of the box, and downstream of the thermal expansion valve
D.upright, sensing heat of the tail coil, and upstream of the thermal expansion valve
A.always be wide open when the compressor restarts
B.continue to operate as if the system were in operation
C.remain open until evaporator pressure equalizes, then close until the compressor restarts
D.always be completely closed until the compressor restarts
A.discharge service valve as a vapor
B.suction service valve as a liquid
C.charging valve as a liquid
D.condenser purge valve as a vapor
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For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The main purpose of port State control is not to（）
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.
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
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Cold weather starting of a diesel engine may be made easier by（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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.