A.Scavenging time should be more 30 seconds before igniting
B.The temperature of sludge tank is 80~100℃
C.First igniting the incinerator with diesel oil, when the temperature of health is about 600℃, the sludge oil drawn in
D.The ash can be dumped into sea when the distance is more than 3 miles from land
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When does auxiliary burner of incinerator put into operation? ()
Ⅰ.tart incinerator when it is cold
Ⅱ.he sludge for dealing with is little
Ⅲ.he sludge for dealing with is large
Ⅳ.he water and impurity in sludge are too much
Ⅴ.he temperature in incinerator is low
Ⅵ.ealing with little solid rubbish
A.Ⅰ+Ⅱ+Ⅲ+Ⅴ
B.Ⅰ+Ⅱ+Ⅲ+Ⅳ
C.Ⅰ+Ⅳ+Ⅴ+Ⅵ
D.Ⅰ+Ⅱ+Ⅲ+Ⅵ
A.filled with clean water before operation
B.keep air cushion in oil collecting space during running
C.check oil level during running
D.clean inner separator with low pressure stream
A.pay attention to operating parameters
B.renew and clean separating units in time
C.check oil level in separator to prevent overload
D.check separating effect, if it is bad, flush with large capacity water pump
A.overhauling every two year
B.working at intervals
C.renewing filtration material
D.pumping bilge water from different layers respectively
A.working at intervals and properly heating
B.warming up to 70℃, increase water supply flow
C.improving impulse of water supply
D.reducing water supply flow
最新試題
Diesel engine air start system check valves are opened by ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
The treatment of the fuel oils involves storage, heating, filtering and()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
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
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?()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()