A.avoid kinking the hose
B.avoid personal injury during connection
C.make connecting easier
D.prevent spray on electrical equipment
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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
A ship must have a self-contained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement，you may use（）.
Any extinguishing agent used on a Class C fire must have which important property?（）
A large oil fire on the deck of a ship can be fought most effectively with（）.
A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.
A marine chemist issues gas free certificates and is certified by the（）.
According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）
After extinguishing a paint locker fire using the fixed CO2 system，the next action is to have the space（）.
A galley grease fire on the stove may be extinguished using（）.
As compared to carbon dioxide，dry chemical has which advantage?（）.