on line to the fire main
kept available for use on the fire main at all times
capable of being connected to the fire main
rated at or above 125 psi
第1题：
As a duty engineer, as soon as your hear the fire emergency signal, you should ensure that the
A.ring buoys are thrown overboard
B.engines are stopped
C.fire pumps are started
D.life preservers have been issued to everyone
第2题：
A fire pump may be used for other purposes if ______.
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
第3题：
Because the timing of injection is crucial, _____ mounted on the camshaft, which is driven by the crankshaft are used to operate the fuel pumps, one of which is provided for each cylinder.
A.gears
B.rams
C.barrels
D.cams
第4题：
In an environment in which multiple VLANs have been defined on Catalyst Express 500 switches， which two statements are correct for ports that have been configured with the Smartport role of "IP Phone + Desktop"？（）
第5题：
You are carrying triethylamine，methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true?
A.Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes
B.Methyl methacrylate may not be carried in a tank adjacent to a pump room
C.Methyl methacrylate must usually be heated to maintain its stability
D.Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine
第6题：
The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.
A.large conical springs
B.compressed air pressure
C.hydraulic pressure
D.exhaust gas pressure
第7题：
In the event of fire in a machinery space，______.
A.the fixed carbon dioxide system should be used only when all other means of extinguishment have failed
B.the fixed carbon dioxide system should be used immediately，as it is the most efficient means of extinguishment
C.water in any form should not be used as it will spread the fire
D.the space should be opened 5 minutes after flooding CO2 to prevent injury to personnel
第8题：
此题为判断题(对，错)。
第9题：
A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______．
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
第10题：
the other services are run off a reducing station with a pressure gage
a separate fire pump is available for use on the fire main
all other services are operated by a manifold near the pump
All of the above