A.soap hardness
B.nitrog encontent
C.chloride content
D.dissolved CO2
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A.Hydrazine treatment of condensate
B.Frequent compounding
C.Chemical cleaning
D.Bottom blowing
A.water in the fuel oil
B.broken high tension leads
C.incorrect electrode setting
D.full fuel pressure at the nozzle
A.Clean all electrical connections
B.Lift the relief valves by hand
C.Inspect and clean all solenoid valves
D.Inspect for oil and water leaks
A.carbon deposits on the flame scanner
B.high fuel oil temperature
C.low fuel oil viscosity
D.high steam pressure
A.water in the fuel oil
B.excessive cycling
C.high fuel oil pressure
D.improper burner maintenance
最新試題
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The main purpose of port State control is not to（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Which of the following items don’t belong to dock repair works?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Under MARPOL Code the ship to which it applies has to carry （）
Cold weather starting of a diesel engine may be made easier by（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）