A.TAN
B.TBN
C.SAN
D.SBN
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A.due to
B.owing to
C.results from
D.results in
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
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The condensers located in various stages of a flash evaporator are cooled by（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
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
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
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（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Cold weather starting of a diesel engine may be made easier by（）