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单选题
A liferaft which has inflated bottom-up on the water（）.
A
should be righted by standing on the carbon dioxide cylinder，holding the righting straps，and leaning backwards
B
should be righted by standing on the life line，holding the righting straps，and leaning backwards
C
will right itself when the canopy tubes inflate
D
must be cleared of the buoyant equipment before it will right itself
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更多 “单选题A liferaft which has inflated bottom-up on the water（）.A should be righted by standing on the carbon dioxide cylinder，holding the righting straps，and leaning backwardsB should be righted by standing on the life line，holding the righting straps，and leaning backwardsC will right itself when the canopy tubes inflateD must be cleared of the buoyant equipment before it will right itself” 相关考题
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A liferaft which has inflated bottom-up on the water ______.A.should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwardsB.should be righted by standing on the life line，holding the righting straps leaning backwardsC.will right itself when the canopy tube inflatesD.must be cleared of the buoyant equipment before it will right itself
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Which of the following statements is TRUE according to the passage?___________A.Oceanic salinity has great effect on sea life
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考题
单选题Which operation should be done when launching an inflatable liferaft by hand?（）A
Open the liferaft casingB
Turn the valve on the CO2 cylinder to start inflationC
Make sure the operating cord is secured to the vessel before throwing it over the sideD
After inflation，detach operating cord from liferaft
考题
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
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单选题Since 1960, the fast-growing town of Hotstone, Arizona, has drawn water from the Gray River, which feeds Lake Mudfish. If the town’s water use continues to grow at its present rate, in about 20 years the water level of Lake Mudfish will inevitably decrease to the point that it can no longer support its biologically fragile population of fish. The prediction above is based on which of the following assumptions?A
As the town’s water requirements grow, it will not be able to meet those requirements by drawing on water sources other than the Gray River.B
Since 1960, the lake’s population of fish has become more biologically fragile.C
The amount of water that the lake loses to evaporation each year will increase over the next two decades.D
There are multiple sources of water besides the Gray River that feed into Lake Mudfish.E
The town of Hotstone will be able to reverse its trend of increasing water use if it implements an aggressive water conservation program.
考题
单选题The bosun has thrown the liferaft into the water before abandoning the vessel. The operating cord（）.A
serves as a sea painterB
detaches from the liferaft automaticallyC
is used to rig the boarding ladderD
is cut immediately as it is of no further use
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单选题Why the cooling water of the diesel engine should be treated? Because the（）A
Cooling water is alkalescenceB
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单选题Which of the diesel engine cylinder liners listed has internal cooling water passages?（）A
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考题
单选题You board an inflatable liferaft that has been hand launched from a sinking vessel. What should you do first after everyone is onboard the liferaft?（）.A
Cut the painterB
Operate the radio equipmentC
Open the equipment packD
Ventilate the liferaft of CO2
考题
单选题After you have thrown the liferaft and stowage container into the water，you inflate the liferaft by（）.A
pulling on the painter lineB
forcing open the container which operates the CO2C
hitting the hydrostatic releaseD
using the hand pump provided
考题
单选题You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?（）A
You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivorsB
If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivorsC
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Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel
考题
单选题After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?（）A
Open equipment packB
Issue anti-seasickness medicineC
Cut painter and clear the shipD
Dry the liferaft floor and inflate
考题
单选题Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）A
Ration food and water suppliesB
Take anti-seasickness pills，if availableC
Determine position and closest point of landD
Check pyrotechnic supplies
考题
单选题Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?（）A
Ration food and water suppliesB
Search for survivorsC
Determine position and closest point of landD
Check pyrotechnic supplies
考题
单选题How is the external flotation bladder of an immersion suit inflated?（）A
It is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper trackB
It is inflated by a small CO2 bottle that is manually trippedC
It is inflated by blowing through an inflation tubeD
It inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein
考题
单选题The external flotation bladder of an immersion suit should be inflated（）.A
only after two hours in the waterB
only after four hours in the waterC
before entry into the waterD
upon entry into the water
考题
单选题If the hydrostatic release mechanism for an inflatable liferaft is not periodically serviced and becomes inoperative，it will NOT（）.A
set the water lights on immersionB
release the dye-marker from the liferaftC
free the liferaft from the vesselD
break the seal on the carbon dioxide cylinder
考题
单选题The lights on the outside of the canopy on an inflatable liferaft operate（）.A
by turning the globe clockwiseB
by a switch at each lightC
by a light sensorD
automatically when the raft is inflated
考题
单选题Living in the western part of the country has its problems, ______ obtaining fresh water is not the least.A
with which B
for which C
of which D
which
考题
单选题0f all the extinguishing agents listed below, which one has the greatest capacity for heat adsorption?（）.A
Water fogB
Carbon dioxideC
Dry chemicalD
Solid stream of water
考题
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
考题
单选题A life raft which has inflated bottom-up on the water（）.A
should be righted by standing on the carbon dioxide cylinder, holding the righting straps, and leaning backwardsB
should be righted by standing on the life line, holding the righting straps, and leaning backwardsC
will right itself when the canopy tubes inflateD
must be cleared of the buoyant equipment before it will right itself
考题
单选题The inside light in an inflatable liferaft is turned on（）.A
automatically as the liferaft inflatesB
with a switch near the boarding handleC
at night because the light has a photosensitive switchD
by screwing the bulb in after the raft is inflated
考题
单选题The water pockets located on the underside of inflatable liferafts（）.A
stow rainwater; these 4 spaces do not take up valuable spaceB
act as stabilizers by filling with sea water as soon as the raft is inflated and uprightC
hold the freshwater required by regulation to be provided in the raft when packedD
None of the above
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