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The grab rail of a metal lifeboat is normally located（）.

A.along the turn of the bilge
B.along each side of the keel
C.near the top of the gunwale
D.at the bow and at the stern

2.單項選擇題Lifeboat hatchets should be（）.

A.kept in a locker
B.secured at each end of the boat with a lanyard
C.kept next to the boat coxswain
D.kept in the emergency locker on the ship and brought to the lifeboat when needed

3.單項選擇題If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.

A.go in one direction until the fuel runs out
B.plot a course for the nearest land
C.take a vote on which direction you should go
D.shut down the engine(s) and set the sea anchor

4.單項選擇題The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.

A.limit switches
B.emergency disconnect switch
C.governor brake
D.position of the counterweight on the brake handle

5.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)

6.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

7.單項選擇題The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at（）.

A.safe speed only specified
B.not less than 120 feet per minute
C.not more than 120 feet per minute
D.not more than 90 feet per minute

8.單項選擇題The device that allows a floating ship to sway without bending the marine riser system is the（）.

A.yaw joint
B.sway joint
C.slip joint
D.flex or ball joint

9.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

10.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