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You are at sea in an inflatable liferaft．In high latitudes，the greatest danger is ______．
A.asphyxiation due to keeping the canopy closed
B.hypothermia caused by cold temperature
C.collapse of the raft due to cold temperatures
D.starvation
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更多 “ You are at sea in an inflatable liferaft．In high latitudes，the greatest danger is ______．A.asphyxiation due to keeping the canopy closedB.hypothermia caused by cold temperatureC.collapse of the raft due to cold temperaturesD.starvation ” 相关考题
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单选题The “horse latitudes” are regions of（）.A
brisk prevailing windsB
light airs and calmsC
abundant blue sea grass vegetationD
None of the above
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单选题Your ship is sinking rapidly. A container containing an inflatable liferaft has bobbed to the surface upon functioning of the hydrostatic release. Which action should you take?（）.A
Cut the painter line so it will not pull the liferaft container downB
Swim away from the container so you will not be in danger as it goes downC
Take no action because the painter will cause the liferaft to inflate and open the containerD
Manually open the container and inflate the liferaft with the hand pump
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单选题（）are experienced in temperate latitudes during warn summer weather but rarely exceed Force 3 and may extend 10 to 15 miles on either side of the coastline.A
Trade WindsB
Winds of the temperate zonesC
MonsoonsD
Land and Sea Breezes
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单选题The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.A
DoldrumsB
WesterliesC
TradesD
Easterlies
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单选题On a weather map,a large letter “h” means（）A
a high pressure area with cool, dry air and fair weatherB
a high pressure area with warm, moist air and inclement weatherC
horse latitudes, with rough seas and strong windsD
a heavy squall line near the “H”
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单选题One of the first actions to be taken by survivors when they have boarded an inflatable liferaft is to（）.A
stream the sea anchorB
take an anti-seasickness pillC
open the pressure relief valveD
drink at least one can of water
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单选题In very high latitudes，the most practical chart projection is the（）.A
MercatorB
GnomonicC
AzimuthalD
Lambert conformal
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单选题A great circle track provides the maximum saving in distance on（）.A
easterly courses in high latitudesB
southerly courses in high latitudesC
westerly courses in low latitudesD
easterly courses in low latitudes that cross the equator
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单选题When a hurricane passes into high latitudes over colder water and the source of heat is disrupted，the storm assumes the characteristics of（）.A
a high pressure areaB
an extratropical cycloneC
a tropical stormD
an easterly wave
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单选题What must be carried out in order to launch and inflate an inflatable liferaft? （）A
Pull on the hydrostatic release，pull on the sea painterB
Push on the hydrostatic release，pull on the sea painterC
Push on the hydrostatic release，push on the sea painterD
Pull on the hydrostatic release，push on the sea painter
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单选题To prevent loss of stability from free communication flooding you should（）.A
close the cross-connection valve between the off-center tanksB
completely flood high center tanksC
ballast double bottom wing tanksD
close any opening to the sea in an off-center tank
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单选题In which voyage, between two points, is the rhumb line distance not approximately the same as the great circle distance?（）.A
The two points are in low latitudes in the same hemisphereB
The two points are in high latitudes in the same hemisphereC
The two points are near the equator, but in different hemispheresD
One point is near the equator, one point is in a high latitude, and both are near the 180th meridian
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单选题Ships at sea are in urgent need of MSI because they are（）various kinds of danger.A
subject forB
liable toC
easy to meetD
always encounter
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单选题An inflatable liferaft is floating in its container，attached to the ship by its painter，as the ship is sinking rapidly. Which action should be taken with respect to the liferaft container? （）A
Cut the painter line so that it will not pull the liferaft container downB
Swim away from the container so that you will not be in danger as it goes downC
Take no action as the pull on the painter will cause the liferaft to inflate and open the containerD
Manually open the container and inflate the liferaft with the hand pump
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单选题The directive force of a gyrocompass（）.A
increases with latitude，being maximum at the geographic polesB
decreases with latitude，being maximum at the geographic equatorC
is greatest when a vessel is near the Earth's magnetic equatorD
remains the same at all latitudes
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单选题On the pole side of the trade wind belt，there is an area of high pressure with weak pressure gradients and light，variable winds. This area is called the（）.A
prevailing westerliesB
geostrophic windsC
doldrumsD
horse latitudes
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