A.release
B.absorb
C.develop
D.regenerate
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A.Sub-cooled liquid
B.Sub-cooled vapor
C.Superheated vapor
D.Liquid
A.latent heat of expansion
B.sensible heat of condensation
C.heat of compression
D.all of the above
A.have a high viscosity index
B.mix readily with refrigerant
C.have a high freezing point
D.have a low pour point
A.low wax content
B.high pour point
C.high viscosity
D.all of the above
A.fuel oil pump will over-speed if dirt is not removed
B.fuel oil transfer pumps cannot tolerate small amounts of grit in the oil
C.fuel injectors may be damaged by foreign particles in the fuel oil dirty
D.fuel will clog the intake air filter
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The cetane rating of diesel fuel is an indication of the （）
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.
Diesel engine air start system check valves are opened by （）
The main purpose of port State control is not to（）
Under MARPOL Code the ship to which it applies has to carry （）
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
The shipboard oil pollution emergency plan will be invalid after （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）