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单选题
If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）
A
11 seconds
B
15 seconds
C
20 seconds
D
22 seconds
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An upright vessel has negative GM．GM becomes positive at the angle of loll because the ______．A.Free surface effects are reduced due to pocketingB.KG is reduced as the vessel seeks the angle of lollC.Effective beam is increased causing BM to increaseD.Underwater volume of the hull is increased
考题
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考题
单选题You are on a 165-foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE? （）A
You should stop to windward of the man and drift down on himB
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考题
单选题When abandoning ship and jumping into the water from a substantial height without a life jacket，you should（）.A
dive head first，using your hands to break the surface of the waterB
hold your arms firmly at your sides and jump feet firstC
jump feet first，covering your nose and mouth with one hand and grasping the opposing upper arm with the otherD
jump feet first，holding your knees to your chest
考题
单选题There was a house at（）A
the mountain footB
the foot of the mountainC
the feet of the mountainD
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考题
单选题At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N，LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water，which of the following is TRUE?（）A
The bottom samples and fathometer reading prove the loran fix is reliableB
The bottom samples and fathometer readings indicate that the loran fix is unreliableC
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考题
单选题Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.A
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The vessel which has the other on her own port sideC
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考题
单选题What is MTI?（）.A
The fioot/tons needed to trim the vessel by 1 inchB
The foot/tons needed to trim the vessel by 1 footC
The moments needed to trim the vessel by 1 centimeterD
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考题
单选题Your vessel has just finished bunkering and has a small list due to improper distribution of the fuel oil. This list will cause（）.A
a decrease in reserve buoyancyB
a decrease in the maximum draftC
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考题
单选题Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）A
Press up the slack NO.1 starboard double bottom tankB
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考题
单选题Your vessel has anchored in a channel known to have strong tidal currents. To check your position you take a round of bearings，one of which is a range in line. One hour later the bearing on the lights in range opens up. This indicates the ship is（）.A
swingingB
dredging her anchorC
taking bearings of the lightsD
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考题
单选题The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）A
A 100 GT towboat，24 feet in lengthB
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A 60-foot towboat towing by pushing aheadD
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考题
单选题The Vessel Bridge-to-Bridge Radiotelephone Act applies to（）.A
every towing vessel of 16 feet or over in length while navigatingB
every vessel of 50 GT and upward，carrying one or more persons for hireC
all aircraft operating on the waterD
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考题
单选题You are approaching another vessel and see that it has the signal flag “O” hoisted．What is your next action（）.A
Proceed on present course and speed since the vessel is requesting a pilotB
Attempt to call the vessel on VHF radiotelephone and begin a search because the vessel has a man overboardC
Attempt to call the vessel on VHF radiotelephone because it is disabledD
Approach with caution because the vessel is stopped and making no way through the water
考题
单选题An upright vessel has negative GM. GM becomes positive at the angle of loll because the（）.A
free surface effects are reduced due to pocketingB
KG is reduced as the vessel seeks the angle of lollC
effective beam is increased causing BM to increaseD
underwater volume of the hull is increased
考题
单选题A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.A
The vessel has negative GMB
The center of gravity is on the centerlineC
The list can be corrected by reducing KMD
The vessel has asymmetrical weight distribution
考题
单选题Which one of two crossing power-driven vessels has the right of way in a fog（）.A
Both vesselsB
Neither vesselC
The vessel on portsideD
The vessel on starboard side
考题
单选题What is MTI?（）.A
The foot／tons needed to trim the vessel by 1 inchB
The foot／tons needed to trim the vessel by 1 footC
The moments needed to trim the vessel by 1 centimeterD
The amount of vessel will trim when loading 100 tons 100 feet from the tipping Center
考题
单选题An International Tonnage Certificate will be issued to a vessel when it meets several requirements，one of which is that the vessel must （）.A
admeasure over 100 GTB
be 79 or more feet in lengthC
engage in intercoastal or international tradeD
be issued a Certificate of Inspection
考题
单选题A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.A
comes over the bowB
blows the fire back toward the vesselC
comes over the sternD
comes over either beam
考题
单选题Your vessel is listening 4°to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by th end with one foot of freeboard at the bow. Which action should you take first?（）A
Press up the slack No.1 starboard double bottom tankB
Pump out the forepeak tankC
Eliminate the water in the tween decks aftD
Jettision stores out of the paint locker in the focsle
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