A.the central cooling system, different
B.the central cooling system, the same
C.the open cooling system, different
D.the open cooling system, the same
您可能感兴趣的试卷
你可能感兴趣的试题
A.Bad combustion of the fuel
B.Bad atomization of the fuel
C.Liquid contaminants
D.Solid contaminants
A.the main engines
B.the auxiliary engines
C.the emergency generator engine
D.the auxiliary engines and the main engine(s)
A.as close to the main engine as possible
B.as close to the main pump as possible
C.just before the fuel valve
D.just before the booster pump
A.centrifugal separators; the engine cylinder
B.oily water separators; the engine cylinder
C.oily water separators; the fuel supply system
D.centrifuges; the fuel supply system
A.boiling and cavitations; low temperature
B.boiling and cavitations; pressurized
C.leaking and boiling; low temperature
D.leaking and boiling; pressurized
A.smaller, higher
B.higher, smaller
C.smaller, smaller
D.higher, higher
A.heavy wall and intensive cooling
B.heavy wall and no cooling
C.thin wall and no cooling
D.thin wall and intensive cooling
A.on both the external and internal top edges
B.on both the external top and bottom edges
C.on both the external and internal bottom edges
D.on all the four edges
A.fuel valves;exhaust valve
B.exhaust valves;inlet valve
C.fuel valves;inlet valve
D.exhaust valves;fuel valve
A.scavenging air ports;exhaust ports
B.inlet ports;scavenging air ports
C.scavenging air ports;inlet ports
D.exhaust ports;inlet ports
最新试题
Diesel engine air start system check valves are opened by ()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
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
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
The treatment of the fuel oils involves storage, heating, filtering and()
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
If separating effect is not good, which measure should be taken ()