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Prior to getting underway in fresh or brackish water，the Master must ______.
A.log the density of the water
B.secure all overboard discharges
C.take on fresh water ballast
D.clean the sides with fresh water
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更多 “ Prior to getting underway in fresh or brackish water，the Master must ______.A.log the density of the waterB.secure all overboard dischargesC.take on fresh water ballastD.clean the sides with fresh water ” 相关考题
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BThe world is not only hungry，it is also thirsty for water． this may seem strange to you，since nearly 75% of the earth is covered with water． But about 97% of this water is sea water．Man can only drink and use the other 3% fresh water that comes from rivers，lakes，under-ground and other places． And we cannot even use all of that，because some of this fresh water has been made dirty．At the moment，this small amount(数量) of fresh water is still enough for us． However，our need for water is getting greater and greater． Only if we take steps to solve this problem now，we can get away from a serious world water shortage later on． The people of the world cannot have an enjoyable life without enough clean water．On one hand we should stop wasting this little water of ours，on the other hand we should find ways to reuse it，but this has not been done widely．Today，in most large cities，water is used only once and it then returns to the sea or runs into underground places．lf we can make it clean again，it can be used once more just as if it were fresh from a spring．But even if large cities reuse its water，we still would not have enough in the future． Where．could we turn to next for water? To the ocean! How can we do to make use of this great a-mount of sea water? We can take the salt from the water to make it fresh．So if we take all these steps，we'll be in no danger of drying up!( )26． Why does the writer say that the world is thirsty for water?A． The amount of fresh water is really very small．B． The people of the world waste too much water．C． The people of the world have to drink a lot of water every day．D． There are too many people in the world needing water．
考题
When is the density of the water required to be logged in the logbook of a ship?A.Any time the vessel moves from water of one density into waters of a different densityB.Prior to getting underway when the vessel is floating in fresh or brackish waterC.Only when the vessel moves from fresh water into salt waterD.The density of the water is not required to be logged in the unofficial logbook
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When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?A.Once a dayB.At the change of every watchC.Only when in fresh or brackish waterD.Prior to getting underway
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After a seaman is discharged，at the end of the voyage，the final payment of wages due must be made at the earlier of within 24 hours after the cargo has been discharged or______.A.within 4 days after the seaman's dischargeB.prior to the vessel's departure on the next voyageC.prior to loading any out-bound cargoD.prior to any change of Master
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Prior to getting underway，the Master or person in charge of a vessel must ______.A.conduct a fire drillB.conduct a boat drillC.log the fore and aft draft marksD.test the emergency generator
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When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?A.Once a dayB.At the change of every watchC.Only when in fresh or brackish waterD.Prior to getting underway
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Topside area from deep loadline to bulwark to be thoroughly washed down with ______．A.highly pressure fresh waterB.high pressured fresh waterC.highly pressured fresh waterD.high pressure fresh water
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______is the number of millimeters by which the mean draft changes when a ship passes from salt water to fresh water，or vice versa，whilst floating at the loaded draft．A.TPCB.The Fresh Water AllowanceC.Parallel sinking of the shipD.UKC
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水泥涂料用于淡水舱和双层底舱。（）A、Primer is used for sea water tanks and double bottom tanks.B、Cement wash is used for fresh water tanks and double bottom tanks.C、Varnish is used for fresh water tanks and double bottom tanks.D、Bitumen is used for fresh water tanks and double bottom tanks.
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淡水注入管（）A、fresh water filling pipeB、sea water filling pipeC、ballast water filling pipeD、bilge water filling pipe
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饮用水注入管（）A、fresh water filling pipeB、bilge water filling pipeC、drinking water filling pipeD、sea water filling pipe
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单选题We use （） to distill fresh water from sea water.A
engineB
sea water pumpC
cylinder coolerD
fresh water generator
考题
单选题Prior to getting underway，the Master or person in charge of a vessel must（）.A
conduct a fire drillB
conduct a boat drillC
log the fore and aft draft marksD
test the emergency generator
考题
单选题The fresh water generator produces fresh water （）.A
by cooling sea waterB
by heating sea waterC
by evaporation of sea waterD
by purifying sea water
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单选题In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?（）A
The safety valve escape piping should be disconnected from the valve body and a blank insertedB
The boiler vent valves should be openedC
All hand-hole/manhole covers should be tightened up as much as possible to preclude any leaksD
All of the above
考题
单选题In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?（）A
The safety valve escape piping should be disconnected from the valve body and a blank insertedB
The boiler vent valves should be openedC
All handhole/manhole covers should be tightened up as much as possible to preclude any leaksD
All of the above
考题
单选题（） is used for cylinder and cylinder head, the salt water is used for cooling the lubricating oil, the fresh water in the coolers and the charging air in the air cooler.A
The fuel oilB
The lube oilC
The sea waterD
The fresh water
考题
单选题In a diesel engine jacket water cooler, with seawater cooling the fresh water, the（）A
sea water temperature must never be warmer than 40℃B
jacket water pressure should always be greater than the sea water pressureC
jacket water temperature must always be less than 60℃D
jacket water pressure must always be less than the sea water pressure
考题
单选题When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?（）A
Once a dayB
At the change of every watchC
Only when in fresh or brackish waterD
Prior to getting underway
考题
单选题When is the density of the water required to be logged in the logbook of a ship?（）A
Any time the vessel moves from water of one density into waters of a different densityB
Prior to getting underway when the vessel is floating in fresh or brackish waterC
Only when the vessel moves from fresh water into salt waterD
The density of the water is not required to be logged in the unofficial logbook
考题
单选题In motorships，there are two main circuits, （）.A
one salt water, one fresh waterB
one salt water, one fuelC
one fresh water, one fuelD
one steam, one fuel
考题
单选题Vessel underway means that a vessel is（）.A
on the wayB
at anchorC
made fast to a terminalD
moving against water
考题
单选题Allowance for fresh water refers to（）.A
the provision to be provided when the vessel sails in fresh water areaB
the fresh water to be carried by a vesselC
the allowance of fresh water for each crew member when in distress at seaD
the amount of free board decreased when sailing in fresh water area
考题
单选题Prior to getting underway in fresh or brackish water，the Master must（）.A
log the density of the waterB
secure all overboard dischargesC
take on fresh water ballastD
clean the sides with fresh water
考题
单选题When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）A
Once a dayB
At the change of every watchC
Only when in fresh or brackish waterD
Prior to getting underway
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