A.a continuous ringing for 10 seconds
B.one short ring followed by one long ring
C.two long rings of at least 20 seconds
D.a continuous ringing until the fire is extinguished
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A.remain on course and hold speed
B.change course and put the stern to the wind
C.change course to put the wind on either beam and increase speed
D.remain on course but slack the speed
A.accumulation of carbon dioxide gas that chokes the battery
B.accumulation of explosive and toxic gases the battery can generate
C.mildew or dry rot in the battery box
D.battery failure including battery case meltdown caused by excessive heat
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.Paints，varnish，or other liquid flammables are stowed in a dry stores locker
B.Inert cargoes such as pig iron are loaded in a wet condition
C.Oily rags are stowed in a metal pail
D.Clean mattresses are stored in contact with an electric light bulb
A.instructed in the use of portable fire extinguishers
B.shown a video demonstrating lifeboat launching
C.instructed in the use of life jackets
D.not required to attend the boat drill
A.a low velocity spray applicator
B.a water spray or solid stream
C.at least two spray patterns of water
D.at least 25 psi delivered pressure
A.American Petroleum Institute
B.National Standard Firehose Coupling
C.American Society of Mechanical Engineers
D.Underwriter's Laboratories，Inc
A.protected against freezing
B.locked to prevent theft
C.numbered sequentially
D.pressurized at all times
A.immediately above the level of the oil
B.at the top of the tank
C.in the vent riser
D.one meter from the deck
A.a tug comes alongside while the tanker is loading grade D and E cargoes
B.a large，fresh oil spill is discovered immediately adjacent to the side of the tanker
C.there is an electrical storm in the vicinity
D.there is a fire on the dock or on a nearby vessel
最新試題
Backfire flame arrestors are installed on（）.
Automatic fire dampers in ventilation systems are operated by use of（）.
Automatic fire dampers in ventilation systems are operated by a（）.
Blocking open or removing fire dampers can cause（）.
A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should（）.
According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent（）.
Each part of the fire-main system located on an exposed deck must be（）.
Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
Convection spreads a fire by（）.