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单选题
What is required to launch a boat stowed in a crescent davit?（）
A
Hoist the boat clear of the cradle
B
Release the outboard part of the cradle
C
Rig the tricing lines
D
Crank the crescent out
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Prior to entering a davit-launched life raft, you should make sure that ______.A.the life raft is well ventilated of excess carbon dioxideB.all personnel have removed their life preservers to facilitate boardingC.the door flap has been cut away and stowed inside the raftD.All of the above
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考题
While cranking out a quadrantal davit，slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the ______．A.Davit arm to pivot on the traveling nut and the head to fall outboardB.Traveling nut to lock up in place on the worm gearC.Limit switch to engage and hold the traveling nut in positionD.Winch brake to lock in position and prevent lowering the boat
考题
During a fire drill on a vessel, what action is required? ______.A.Start each fire pump.B.Launch and run a lifeboat.C.Inventory rescue and fire equipment.D.Inspect fire hoses
考题
Frapping lines are fitted to lifeboat davits to ______.A.secure the lifeboat in the davits when in the stowed positionB.bring the life boat close along the rail in the embarkation positionC.give the occupants a safety line when the boat is being lowered from the embarkation levelD.reduce the swinging of the lifeboat at the embarkation level
考题
In launching a lifeboat, when should the tricing pendants be released?______.A.Before the boat is lowered from the stowage positionB.As soon as the boat-fall blocks clear the davit headC.After the limit switch is activatedD.After all people have been embarked
考题
During a fire drill on a vessel, what action is required？（）A、Start each fire pumpB、Launch and run a lifeboatC、Inspect fire hosesD、Close each fire pump
考题
Start the （）(艇机), drive the boat from the ship quickly.A、boat engineB、davit motorC、main engineD、fire boat
考题
单选题A mechanical davit is designed to automatically（）.A
position the boat at the embarkation stationB
lift the boat off the inboard chocksC
energize the winch for the fallsD
set the brake on the winch
考题
单选题After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.A
hoist manB
limit switchC
brake handleD
preventer bar
考题
单选题The boat is stowed on the davit rather than on a cradle with which type of davit?（）A
CrescentB
Sheath-screw boomC
QuadrantalD
Radial
考题
单选题In launching a lifeboat，when should the tricing pendants be released?（）.A
Before the boat is lowered from the stowage positionB
As soon as the boat-fall blocks clear the davit headC
After the limit switch is activatedD
After all people have been embarked
考题
单选题When launching a lifeboat，the tricing pennants should be released（）.A
before the boat is lowered from the stowed positionB
as the boat-fall blocks break clear of the davit headC
before the boat is lowered from the embarkation levelD
after the boat is released into the water
考题
单选题Prior to entering a davit-launched liferaft，you should make sure that（）.A
the liferaft is well ventilated of excess carbon dioxideB
all personnel have removed their life preservers to facilitate boardingC
the door flap has been cut away and stowed inside the raftD
All of the above
考题
单选题Prior to entering a davit-launched life raft, you should make sure that（）.A
the life raft is well ventilated of excess carbon dioxideB
all personnel have removed their life preservers to facilitate boardingC
the door flap has been cut away and stowed inside the raftD
All of the above
考题
单选题The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?（）A
The boat should be hoisted a few inches clear of the cradle before cranking out the davitsB
The inboard gripes should be cast off before the outboard gripesC
The outboard section of the cradle must be releasedD
The tricing pendants will automatically bring the boat alongside at the embarkation deck
考题
单选题Frapping lines（）.A
secure the lifeboat in the davits when in the stowed positionB
bring the lifeboat close alongside the rail in the embarkation positionC
give the occupants a safety line when the boat is being lowered from the embarkation levelD
reduce the swinging of the lifeboat at the embarkation level
考题
单选题Any firefighting equipment that is carried in addition to the minimum required number on a ship must（）.A
meet the applicable standardsB
be marked as additional equipmentC
be stowed in a separate areaD
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考题
单选题On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.A
keep the movement of the davits at the same speedB
keep the davits from slipping when they are in the stowed positionC
prevent vibration during lowering of the boatD
support the manropes
考题
单选题Limit switches（）.A
control the descent rate of a lifeboatB
control the ascent rate of a lifeboatC
cut off power to the winch when the lifeboat nears the final stowed positionD
cut off power to the winch when the lifeboat reaches the davit bumpers
考题
单选题When launching a lifeboat in the rough sea, the davit gears should be released（）.A
before the boat is lowered from the stowed positionB
as the boat fall blocks break clear of the davit headC
before the boat is lowered from the embarkation levelD
after the boat is released into the water
考题
单选题What is NOT an advantage of the house-fall system when compared to a married-fall system using two of the ship’s booms? （）A
There is a steady spotting area under the dockside blockB
Loading can be accomplished from a narrow apron without endangering the inboard boomC
The system can be used for working the second deck of a warehouseD
There is more accurate control of cargo drafts required to be stowed in the wings
考题
单选题The pivot pin at the base of a sheath-screw boom davit must be（）.A
inserted each time before the booms are cranked outB
periodically removed for inspection and lubricatedC
replaced at each inspection for certificationD
in the locked position after the boat is cradled and griped down
考题
单选题Any firefighting equipment that is carried in addition to the minimum required must（）.A
meet the applicable standardsB
be marked as additional equipmentC
be stowed in a separate areaD
All of the above
考题
单选题Coast Guard approved buoyant work vests（）.A
may be substituted for 10 percent of the required life preserversB
should be stowed adjacent to lifeboats and emergency stationsC
may be used by boat crews and line handlers during lifeboat drillsD
should be used when carrying out duties near a weather deck's edge
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