A.dry chemical or foam
B.foam or soda acid
C.carbon dioxide or foam
D.carbon dioxide or dry chemical
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A.the hose could burst
B.the nozzle end will whip about causing damage or injury
C.water damage to vessel's cargo or structure
D.personnel might trip over the hose
A.avoid kinking the hose
B.avoid personal injury during connection
C.make connecting easier
D.prevent spray on electrical equipment
A.Spare charges shall be carried for at least 50 percent of each size and variety required on board
B.If the unit cannot be charged by the vessel's personnel，one spare unit shall be carried in lieu of spare charges
C.Spare charges shall be stowed in watertight containers on deck
D.Regulations concerning spare charges do not apply to unmanned barges
A.posted with instructions on the operation of the system
B.ventilated and equipped with explosion-proof switches
C.painted with red and black diagonal stripes
D.equipped with a battery powered source of emergency lighting
最新試題
An important step in fighting any electrical fire is to（）.
As an extinguishing agent，foam（）.
A ship helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least（）.
A GROUP OF CREW MEMBERS TRAINED FOR FIGHTING FLOODING IN THE VESSEL are known as（）.
An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.
An advantage of a dry chemical over a carbon dioxide fire extinguisher is its（）.
At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）
An inert gas system on a tanker should be used to（）.
Any extinguishing agent used on a Class C fire must have which important property?（）
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.