A.auto-ignition point
B.flash point
C.lower explosive limit (LEL)
D.threshold limit value (TLV)
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A.one approved flotation cushion for each person on board
B.one approved life preserver for each person on board and one life ring
C.one approved inflatable vest for each person on board
D.lifeboat capacity equal to 1 1/2 times the number of persons on board
A.one-half the SWL of the main towing hawser
B.three-fourths the SWL of the main towing hawser
C.that of the main towing hawser
D.twice that of the main towing hawser
A.limit switches
B.emergency disconnect switch
C.governor brake
D.position of the counterweight on the brake handle
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
A.DANGER,DO NOT TOUCH
B.DANGER,BOAT MAY DROP
C.DANGER,LEVER RELEASES BOAT
D.DANGER,LEVER DROPS BOAT
A.shorter than the rowing oars
B.the same length as the rowing oars
C.longer than the rowing oars
D.unrelated to the length of the rowing oars
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
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
A.remove them to fresh air
B.flush their face with water for about 5 minutes
C.stand them up and walk them around
D.remove their clothing and wrap them in blankets
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
最新试题
In rough weather,when a ship is able to maneuver,it is best to launch a lifeboat().
The grab rail of a metal lifeboat is normally located().
The depth over a shallow patch,()about 1.5 miles southeastward of Nanshan Tou lighthouse,reduces to 8 meters.
Number 3 lifeboat would be().
The most effective first aid treatment for chemical burns is to immediately().
On an oceangoing vessel,for each person a lifeboat (without desalting kits) is certified to carry,the boat must be supplied with().
On a lifeboat equipped with Rottmer-type releasing gear,turning the releasing lever releases().
The bottom row of plating next to the keel of a lifeboat is known as the().
The first treatment given to a person overcome by benzene vapor should be to().
Limit switches().