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An emergency sea anchor may be constructed by using ______.
A.a boat bucket
B.an air tank filled with water
C.an oar and canvas weighted down
D.All of the above
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更多 “ An emergency sea anchor may be constructed by using ______.A.a boat bucketB.an air tank filled with waterC.an oar and canvas weighted downD.All of the above ” 相关考题
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Advection fog may be formed by cold air passing over a ______.A.colder sea surfaceB.warmer sea surfaceC.dry coastal plainsD.high mountain or plateau
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A sea anchor is ______.A.a heavy anchor with an extra long line used to anchor in deep waterB.a cone shaped bag used to slow down the wind drift effectC.a pad eye to which the sea painter is made fastD.made of wood if it is of an approved type
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If help has not arrived in 10-12 hours after abandoning a vessel in a rescue boat，you should ______.A.go in one direction until the fuel runs outB.steer a course for the nearest landC.steer a course for the nearest sea laneD.shut down the engines if installed and put out the sea anchor
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Which step is NOT generally taken when gas-freeing a tank? ______.A.Washing the tank interior with sea waterB.Application of degreasing solventsC.Removal of corrosion products and sludgeD.Fresh air ventilation
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You are on a multiple product tanker and carrying methyl acrylate，diethanolamine，and triethylamine. Which statement is TRUE?A.Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamineB.The heating coils to the cargo tank loaded with methyl acrylate must be blanked offC.Valve components made of aluminum，copper，or zinc may not be in contact with the cargoesD.Each crew member working on deck must have an emergency escape breathing apparatus
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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
考题
When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating ________．A.Heave it home as fast as you canB.Heave it home intermittently，between swellsC.Leave the anchor under foot，until the vessel may be brought before the seaD.Wait for a calm spot between seas，then house it
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When removing the cap from a sounding tube on a ship，the sound of air escaping indicates the tank ______．A.Is fullB.May be partially floodedC.Level has droppedD.Is completely flooded
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A person may operate an air compressor in which of the following areas on board a tank barge ________．A.PumproomB.Generator roomC.A space adjacent to a cargo tankD.A space two meters from a cargo valve
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材料:At 0840 hrs，with the ships head on 180°，the UNISOL grounded on a rocky bottom，forward of the main engine on her starboard side．A spout of water mixed with oil about 60cm in diameter and 2.5-3m high above the engine room bottom plating was observed，and at which time the main engines seemed to slow down．The engine room flooded rapidly and the water level soon reached the electro-magnetic couplings，stopping the main engine．In the meantime，on being apprised of the situation，the Master ordered the evacuation of the engine room，which was successfully carried out under the supervision of the 2/E engineer，and the engine room crew were mustered on the boat deck wearing life jackets．Shortly thereafter，the emergency air cut-off to the engine room and the emergency fuel shut-off were actuated causing the main generator to stop at 0845 hrs．The emergency generator then started up automatically．The starboard anchor was dropped in an attempt to prevent further westward drift．The vessel was by this time being subjected to pounding on the rocks，eventually breaking her back at 0930 hrs after which the violent motion ceased. Evacuation of the vessel commenced at 1045 hrs using 2 SAR helicopters with a Buffalo fixed-wing aircraft in attendance，and was completed at 1220 hours．问题：The main engine was caused to stop by the loss of the function of ________．A.engine room bottom platingB.emergency fuel shut-offC.emergency air cut-offD.electro-magnetic couplingsThe reason that the violent motion of the vessel ceased was that ________．A.the starboard anchor was dropped properly to prevent further westward driftB.the winds and/or seas decreased in a considerable extentC.the vessel was held fast on the grounding rocksD.the vessel's back was brokenThis report is most likely prepared by ________．A.the master of the vesselB.the cargo owners of the vesselC.the shippers of the vesselD.the independent investigator of the accidentThe crew were taken off the vessel by ________．A.air-planesB.helicoptersC.an fixed-wing aircraftD.the boat under the supervision of the 2/E engineer请帮忙给出每个问题的正确答案和分析，谢谢！
考题
单选题An emergency sea anchor may be constructed by using（）.A
a boat bucketB
an air tank filled with waterC
an oar and canvas weighted downD
All of the above
考题
单选题Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.A
1 minuteB
3 minutesC
5 minutesD
10 minutes
考题
单选题Releasing oil from the sea anchor of a survival craft may（）.A
keep the propeller from being fouledB
increase propeller speedC
help calm the waves in the vicinity of the craftD
increase the holding power of the sea anchor
考题
单选题Releasing oil from the sea anchor of a lifeboat may（）.A
keep the propeller from being fouledB
increase propeller speedC
help calm the waves in the vicinity of the craftD
increase the holding power of the sea anchor
考题
单选题A sea anchor is（）.A
a heavy anchor with an extra long line used to anchor in deep waterB
a cone shaped bag used to slow down the wind drift effectC
a padeye to which the sea painter is made fastD
made of wood if it is of an approved type
考题
单选题Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?（）.A
The ventilators will automatically close by the action of fusible linksB
The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crewC
A water spray system to cool the outside of the boat is operated by a high-volume manual pumpD
An air tank will provide about ten minutes of air for the survivors and the engine
考题
单选题Advection fog may be formed by cold air passing over a（）.A
colder sea surfaceB
warmer sea surfaceC
dry coastal plainsD
high mountain or plateau
考题
单选题A self-contained breathing apparatus is used to（）.A
make underwater repairs to bargesB
determine if the air in a tank is safe for menC
enter areas that may contain dangerous fumes or lack oxygenD
resuscitate an unconscious person
考题
单选题Moving of an anchor over the sea bottom to control the movement of the vessel defines（）.A
dredging ( of anchor )B
dragging ( of anchor )C
weighing anchorD
walking out anchor
考题
单选题If help has not arrived in 10-12 hours after abandoning a vessel in a rescue boat，you should （）.A
go in one direction until the fuel runs outB
steer a course for the nearest landC
steer a course for the nearest sea laneD
shut down the engines if installed and put out the sea anchor
考题
单选题An emergence sea anchor may be constructed by type of extinguisher?（）.A
a boat bucketB
an air tank filled with waterC
an oar and canvas weighted downD
All of the above
考题
单选题You are on a multiple product tanker and carrying methyl acrylate，diethanolamine，and triethylamine. Which statement is TRUE? （）A
Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamineB
The heating coils to the cargo tank loaded with methyl acrylate must be blanked offC
Valve components made of aluminum，copper，or zinc may not be in contact with the cargoesD
Each crew member working on deck must have an emergency escape breathing apparatus
考题
单选题If emergency welding repairs must be made to the upper area of a fuel tank, the tank and/or adjacent compartments may need to be （）A
gas freedB
inertedC
filled with waterD
all of the above as necessary
考题
单选题Which step is NOT generally taken when gas-freeing a tank?（）.A
Washing the tank interior with sea waterB
Application of degreasing solventsC
Removal of corrosion products and sludgeD
Fresh air ventilation
考题
单选题Starting air for auxiliary engines may be taken directly from the main reservoirs or through （）.A
an auxiliary reservoirB
a controlling air bottleC
an emergency air compressorD
a main air compressor
考题
单选题If absolutely necessary，the best way to land on a beach in a motor lifeboat is to（）.A
run as fast as the boat will go and keep the sea on the sternB
secure the engine，put sea anchor over the bow，put out the oars，use sweep oar and back onto beachC
go in under oars and put out the sea painterD
put the sea broadside and let the boat drift ashore
考题
单选题When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.A
Heave it home as fast as you canB
Heave it home intermittently，between swellsC
Leave the anchor under foot，until the vessel may be brought before the SeaD
Wait for a calm spot between seas，then house it
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