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单选题
When a ship is in tropical zone and in seawater of density 1025,she must not load to more than the upper edge of the line marked（）.
A
S
B
T
C
W
D
F
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单选题Logbooks are used to record the events occurring when（）.A
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单选题When are fore and aft draft readings required to be entered in the unofficial logbook of a ship? （）A
Once a dayB
Once a weekC
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Only when entering waters of different density
考题
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考题
单选题When the density of water is 1000,i.e.in fresh water and in summer zone a ship may load to the upper edge of the line marked（）.A
SB
TC
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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
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考题
单选题When do sailors make the ship fast? （）A
When a ship is unmooring.B
After a ship is in position alongside a wharf.C
Before a ship is loading.D
A and C
考题
单选题When does a pilot say make all lines fast ? He says it when（）.A
the ship is very close to the pierB
the ship is about to be in positionC
the ship is in positionD
the ship is getting alongside the pier
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单选题Under tropical conditions, control valves have fully opened, but the room still hot.What measures can be taken in such a case?（）A
Keep the plant running all timeB
Start another blowerC
Increase the ratio of circulated to fresh airD
Reduce the seawater flow to the condenser
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单选题A ship can request completion of a （） when the ship is at a higher security level than the port facility or another ship it is interfacing with.A
DOCB
DOSC
SSPD
SMC
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