A、check valve installed in the line
B、shut off valve at a manifold near the pump
C、quick disconnect union within ten feet of the pump
D、regulator in the line set at 125 psi
更多“When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.”相关的问题
A、fire hose might be damaged by cargo operations B、vessel is in port C、fire-main system is not charged D、fire pumps are used for purposes other than supplying water to the fire main
A、the other services are run off a reducing station with a pressure gage B、a separate fire pump is available for use on the fire main C、all other services are operated by a manifold near the pump D、All of the above
A、the other services are run off a reducing station with a pressure gage B、one of the required pumps is kept available for use on the fire main system at all times C、no relief valves are installed D、all of the above conditions are met
A、the other services are run off a reducing station with a pressure gage B、one of the required pumps is kept availabe for use on the fire main system at all times C、no relief valves are installed D、all of the above conditions are met
A、are required to go to your life-raft B、are dismissed from drills C、should point to the man overboard D、should start the fire pump
A、all hands are at their fire stations B、all fire-fighting equipment is at the scene C、the fixed systems are activated D、the fire is contained and no longer spreading
A、A.ring buoys are thrown overboard B、B.engines are stopped C、C.fire pumps are started D、D.life preservers have been issued to everyone
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