A.explosimeter
B.oxygen indicator
C.fresh air indicator
D.all of the above
您可能感興趣的試卷
你可能感興趣的試題
A.concentrations of explosive gas
B.an oxygen deficiency in a space
C.the presence of harmful amounts of carbon monoxide
D.All of the above
A.sludge
B.oily ballast water
C.bilge slops
D.All of the above
A.fuel oil only
B.crude oil only
C.liquefied petroleum gas
D.petroleum oil of any kind
A.Engine room ventilation should be started
B.Main engines should be secured
C.The fire pump should be started
D.The fixed CO2 system should be activated
A.proceed to their man overboard stations
B.start the fire pump
C.put on lifejackets and go to their abandon ship stations
D.secure the propulsion diesel engines and evacuate the engine room
最新試題
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Under MARPOL Code the ship to which it applies has to carry （）
If separating effect is not good, which measure should be taken （）
The cetane rating of diesel fuel is an indication of the （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
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（）
Which of the following items don’t belong to dock repair works?（）