Portable Oxygen Bottle是指()
A.便携式应急定位发射器
B.防护式呼吸装置
C.干粉化学灭火瓶
D.便携式氧气瓶
A.便携式应急定位发射器
B.防护式呼吸装置
C.干粉化学灭火瓶
D.便携式氧气瓶
A.memory
B.keyboard
C.desktop
D.laptop
A.they had it repaired for $112
B.they moved it out to their new house
C.they got a color portable
D.they bought a new one
A.enter the tank safely
B.suspect the accuracy of the reading
C.ventilate the tank
D.test for nitrogen
A.approved oily-water separating equipment
B.a fixed or portable containment system at the shore connection
C.a spare pump in case the main pump is inoperative
D.at least one outlet accessible from the weather deck
What is said about the over 100 aircraft incidents in the past 15 years?
A.They may have been caused by the damage to the radio systems.
B.They may have taken place during take - off and landing.
C.They were proved to have been caused by the passengers' portable computers.
D.They were suspected to have resulted from electromagnetic interference.
A.Hose connections to the tank must be made with a minimum of three bolts
B.There must be water pressure on the fire main
C.You must shut down if another vessel comes alongside
D.If transferring at anchor,you must display a red flag by day and a red light at night
A.a fixed piping system for ballast discharge to a reception facility
B.a discharge outlet for the ballast system on each side of the weather deck
C.one portable adapter for a shore connection to the ballast line
D.All of the above
A.donate
B.check
C.withhold
D.release
A.An oxygen indicator
B.A combustible gas indicator
C.A combination combustible gas and oxygen indicator
D.A flame safety lamp