A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"
您可能感興趣的試卷
你可能感興趣的試題
A.Chain reaction
B.Thermal action
C.Chemical occlusion
D.Pyrotechnical reaction
A.starting the fire pumps
B.checking firemans outfits and other personnel rescue equipment
C.checking relevant communications equipment
D.All of the above
A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
A.gas freed
B.inerted
C.filled with water
D.all of the above as necessary
最新試題
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Diesel engine air start system check valves are opened by （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The cetane rating of diesel fuel is an indication of the （）
Cold weather starting of a diesel engine may be made easier by（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Which of the following items don’t belong to dock repair works?（）