航海英语应急预案与EMS章节练习(2018.02.18)

单项选择题
Which extinguishing agent is the best for use on electrical fires?（）
A.Foam
B.CO₂
C.Dry chemical
D.Water fog
单项选择题
A group of crew members standing by in case of an emergency in order to assist other teams in action if necessary is a（）.
A.Fire team
B.Rescue team
C.Emergency team
D.Control team
单项选择题
When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
A.first to the bottom of the flaming area，sweeping from side to side，and following the flames upward
B.in a circular motion from the middle of the bulkhead outward
C.to the top of the flaming area，sweeping from side to side，and working toward the bottom
D.in an up-and-down motion from one side of the bulkhead to the other
单项选择题
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（）.
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
单项选择题
Which item is NOT included in the fireman’s outfit on a cargo vessel?（）
A.Fire ax
B.Flashlight
C.rigid helmet
D.Fresh air breathing apparatus
单项选择题
Flooding of any compartment in a ship that results in a serious loss of reserve buoyancy will always（）.
A.increase the trim
B.increase ship stability
C.cause a serious list
D.decrease the heeling moment
单项选择题
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
A.Insure the chemical is powdery
B.Replace the cartridge
C.Pressure test the discharge hose
D.Test the pressure gauge for proper operation
单项选择题
Which extinguishing agent is best for use on a magnesium fire?（）
A.Water
B.Sand
C.CO₂
D.Dry chemical
单项选择题
When loading or discharging dry mud or cement，crew members should use facial respirator masks and（）.
A.goggles
B.ear plugs
C.soft-soled boots
D.fireman's outfit
单项选择题
Which portable fire extinguisher is normally recharged in a shore facility?（）
A.Dry chemical (cartridge-operated)
B.Water (cartridge-operated)
C.Water (pump tank)
D.Carbon dioxide