A.due to
B.owing to
C.results from
D.results in
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A.specific gravity or relative density
B.open flash point and closed flash point values
C.higher calorific and lower calorific values
D.cloud point and pour point values
A.Setting point
B.Dew point
C.Flash point
D.Lean point
A.purifies
B.combinations
C.concentrations
D.filters
A.account as
B.account for
C.account to
D.account of
A.steps
B.procedures
C.precautions
D.programs
最新試題
The cetane rating of diesel fuel is an indication of the （）
The treatment of the fuel oils involves storage, heating, filtering and（）
Diesel engine air start system check valves are opened by （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The condensers located in various stages of a flash evaporator are cooled by（）
（） is not installed on the main switchboar.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The shipboard oil pollution emergency plan will be invalid after （）