A.Classes A and B
B.Classes B and C
C.Classes C and D
D.Classes A and D
您可能感興趣的試卷
你可能感興趣的試題
A.Magnesium
B.Paper
C.Wood
D.Diesel Oil
A.Fresh water may be obtained from fish
B.lifeboat covers or canopies should be washed with rain before drinking water is collected
C.Fresh water may be collected from condensation inside the life-raft
D.Freshwater cannot be produced from standing seawater
A.class A
B.class B
C.class C
D.class D
A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"
A.Chain reaction
B.Thermal action
C.Chemical occlusion
D.Pyrotechnical reaction
最新試題
To proceed to the assistance of a ship in distress is（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Diesel engine air start system check valves are opened by （）
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.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The condensers located in various stages of a flash evaporator are cooled by（）