A.Hydrazine treatment of condensate
B.Frequent compounding
C.Chemical cleaning
D.Bottom blowing
您可能感興趣的試卷
你可能感興趣的試題
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
A.cool the furnace to prevent pre-ignition
B.remove explosive vapors from the furnace
C.evaporate accumulated unburned fuel oil
D.provide sufficient air in the furnace to allow ignition of the fuel
最新試題
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.
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
The shipboard oil pollution emergency plan will be invalid after ()
() is not installed on the main switchboar.
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
The treatment of the fuel oils involves storage, heating, filtering and()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
To proceed to the assistance of a ship in distress is()
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
Cold weather starting of a diesel engine may be made easier by()