A、20 minutes
B、15 minutes
C、10 minutes
D、5 minutes
更多“Emergency escape breathing device on board shall have a duration of service no less than（）.”相关的问题
A、Escape route B、Alley way C、Corridor D、Embarking way
A、special precautions to deal with heat B、engine room safety procedures such as earmuffs, safety glasses, work clothes C、emergency escapes D、the location of safety equipment around the ship
A、emergency medicine B、emergency medicine service system C、department of emergency D、nursing in emergency E、prehospital emergency medicine care
A、It’s important to make clear the chain of command within the vessel B、It is primarily your own responsibility to look after your person safety C、The porthole is the first choice to escape when in emergency D、all cabins are fitted with a Survival at Sea Manual
A、there is a minor emergency B、there is an actual emergency C、there were a minor emergency D、there were an actual emergency
A、A.distribution boards B、B.section boards C、C.emergency switch boards D、D.main switch boards
A、You must have two toxic vapor detectors or the pumproom must meet special requirements B、Each crew member must be provided with an emergency escape breathing apparatus C、A person taking cargo samples must wear protective clothing D、If you are carrying propionic acid also，the venting systems must be segregated
A、You must have two toxic vapor detectors or the pumproom must meet special requirements B、Each crew member must be provided with an emergency escape breathing apparatus C、A person taking cargo samples must wear protective clothing D、If you are also carrying allyl alcohol，the venting systems must be segregated
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