A."A" fire
B."B" fire
C."C" fire
D."D" fire
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A.Rose box
B.Sea chest or spool piece
C.Sluice valve
D.Fire pump stuffing box
A.class "A" fires
B.class "B" fires
C.class "C" fires
D.class "D" fires
A.Carbon dioxide
B.Carbon monoxide
C.Carbon trioxide
D.Hydrogen sulfide
A.at a maximum rate of two ounces per day
B.after mixing with an equal quantity of fresh water
C.if gather during or immediately after a hard rain
D.under no circumstance
A.wood
B.oil
C.electrical equipment
D.magnesium
最新試題
（） is not installed on the main switchboar.
The cetane rating of diesel fuel is an indication of the （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Which of the following items don’t belong to dock repair works?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
To proceed to the assistance of a ship in distress is（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Diesel engine air start system check valves are opened by （）
Using a file without a handle may result in （）