A.excess stresses will not be set up in the boiler
B.the decks will not be covered with soot
C.the soot will be swept toward the uptakes
D.there will not be a loss of steam pressure
您可能感興趣的試卷
你可能感興趣的試題
A.bottom-blow valve
B.skin valve
C.feed-check valve
D.feed-stop valve
A.a system with a Hydraulic Power Supply (HPS) unit
B.a system with roller guides for exhaust valves
C.a system with an electronically controlled Alpha Lubricator
D.a system directly powered by electric motor
A.Lower fuel consumption
B.Better balanced cylinder power
C.A shorter overhaul period
D.Less smoke emission
A.too low
B.a little lower
C.a little higher
D.exactly the same
A.a little lower
B.a little higher
C.too low
D.exactly the same
最新試題
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
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
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Diesel engine air start system check valves are opened by （）
The treatment of the fuel oils involves storage, heating, filtering and（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Which of the following items don’t belong to dock repair works?（）
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.