A.pressure differences in the atmosphere
B.the length of the hose attached to the facepiece
C.the physical exertion of the person wearing the device
D.spaces containing poisonous vapors
您可能感興趣的試卷
你可能感興趣的試題
A.mayday
B.pan pan
C.securite
D.seelonce feenee
A.all emergency signals
B.instructions for lowering the lifeboats
C.the time each weekly drill will be held
D.work schedule
A.secured inside the wheelhouse
B.tested annually
C.tested monthly
D.secured in the emergency locker
A.in an inside passageway
B.in an approved bracket
C.so that it is accessible from the bridge of the vessel
D.so that it will float free if the vessel sinks
A.cools the inert gas and prevents soot from entering the cargo tanks
B.acts as an emergency system shutdown when the inlet pressures exceed the safe working pressure in the hazardous zone
C.prevents the backflow of hydrocarbon gasses into nonhazardous areas
D.relieves sudden large overpressures in the system
最新試題
The color of the signal flare sent up by a submarine about to surface due to an emergency condition within the submarine is().
The Muster List (“Station Bill”) shows each person’s lifeboat station,duties during abandonment,basic instructions,and().
The vessel’s Emergency Position Indicating Radio beacon (EPIRB) must be tested().
If an emergency pump control is used as the emergency shutdown on a tank vessel,it must().
All self-propelled vessels on an international voyage must be equipped with how many Emergency Position Indicating Radio beacons (EPIRB)? ()
Overhauling a fire in the living quarters on a vessel must include().
An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?()
The Emergency Position Indicating Radio beacon on a cargo vessel must be stowed().
In an emergency,the electro-hydraulic steering units can be directly controlled by the().
After an explosion,repair of emergency machinery and services should be accomplished().