單項選擇題The line-throwing appliance provided on board ship is().

A.for the saving of life
B.for fire-fighting
C.for mooring purpose
D.for towing purpose


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1.單項選擇題Limit switches().

A.control the descent rate of a lifeboat
B.control the ascent rate of a lifeboat
C.cut off power to the winch when the lifeboat nears the final stowed position
D.cut off power to the winch when the lifeboat reaches the davit bumpers

3.單項選擇題Seawater may be used for drinking().

A.under no conditions
B.at a maximum rate of two ounces per day
C.if gathered during or immediately after a hard rain
D.after mixing with an equal quantity of fresh water

4.單項選擇題The minimum concentration of a vapor in air which can form an explosive mixture is called the().

A.auto-ignition point
B.flash point
C.lower explosive limit (LEL)
D.threshold limit value (TLV)

5.單項選擇題Symptoms of heat stroke are().

A.cold and moist skin,high body temperature
B.cold and dry skin,low body temperature
C.hot and moist skin,high body temperature
D.hot and dry skin,high body temperature

6.單項選擇題For use as protection from gas leaking from a refrigeration unit,each ship must be equipped with a().

A.portable ventilation system
B.flame safety lamp
C.self-contained breathing apparatus
D.gas mask

7.單項選擇題The danger associated with using carbon dioxide in an enclosed space is().

A.frostbite
B.skin burns
C.asphyxiation
D.an explosive reaction

8.單項選擇題The backup system on an electric start survival craft is a().

A.hydraulic system
B.pneumatic system
C.spare battery
D.hand crank

9.單項選擇題The FIRST treatment for a surface burn is to().

A.wash the burned area with a warm soap and water solution
B.flood,bathe,or immerse the burned area in cold water
C.cover the burned area with talcum powder and bandag it cover the burned area with talcum powder and bandage it tightly
D.leave the burned area exposed to the atmosphere

10.單項選擇題The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is().

A.surfaced with a nonskid texture
B.roped off to prevent unnecessary access
C.kept clear of any obstructions that would interfere with launching
D.posted with a list of persons assigned to the lifeboat