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AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE, MASTS, ETC means ______.
A.Blind sectors
B.Sheltered area
C.Unseen area
D.Unscanable area
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更多 “ AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE, MASTS, ETC means ______.A.Blind sectorsB.Sheltered areaC.Unseen areaD.Unscanable area ” 相关考题
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You are crossing a narrow channel in a 15-meter vessel when you sight a tanker off your port bow coming up the channel. Which statement is TRUE?A.Yours is the give-way vessel because it is less than 30 meters longB.You shall not impede the safe passage of the tankerC.The tanker is the stand-on vessel because it is to port of your vesselD.The tanker is the stand-on vessel because it is the larger of the two vessels
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There are two areas off the N coast of France，which remain dangerous because of ______．A.the density of vessel traffic on passage through the straitB.the fact that the passage through the strait is constricted by a series of narrow banks，running NE-SWC.mines lied in the war of 1939-1945D.the strong tidal streams in the strait
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compass bearingsD
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单选题The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.A
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one-thousandth part of a secondC
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单选题Areas which cannot be scanned by the radar of the vessel because they are shielded by parts of its superstructure, masts,etc means（）.A
blind sectorsB
sheltered areaC
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单选题Persons who have taken part in salvage operations，notwithstanding the express and reasonable prohibition on the part of（），have no right to any remuneration.A
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单选题Which of the following statements is TRUE regarding automatic identification systems (AIS) ? （）A
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单选题You are underway in thick fog.You have not determined if risk of collision exists.Which statement is true?（）A
Your speed must be reduced to bare steerage waysB
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The radar should always be kept on a short-range scaleD
Fog signals are only required when a vessel is detected by radar
考题
单选题AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.A
Blind sectorsB
Sheltered areaC
Unseen areaD
Unscanable area
考题
单选题Access to a cargo pumproom on a tanker carrying grades A，B，C or D liquid cargoes shall be（）.A
at least 13.1 feet away from the galleys，living quarters or navigation spacesB
from the open deckC
only from areas equipped with power ventilation systemsD
isolated from any part of the vessel which normally contains sources of vapor ignition
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单选题Which statement concerning maneuvering in restricted visibility is FALSE?（）.A
A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steeragewayB
A vessel which hears a fog signal forward of her beam shall stop her enginesC
A vessel which hears a fog signal forward of the beam shall navigate with cautionD
If a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
考题
单选题In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall（）.A
sound the danger signalB
when taking action, make only course changesC
avoid altering course toward a vessel abaft the beamD
All of the above
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单选题Which of the following radar contacts will present the most immediate danger?（）.A
A vessel on the starboard bow whose bearing is changing and range is decreasingB
A vessel on the starboard bow whose bearing is steady and range is increasingC
A vessel on the port bow whose bearing is steady and range is decreasingD
A vessel on the port bow whose bearing is changing to the left and range decreasing
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单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.A
She must use this equipment to obtain early warning of risk of collisionB
The use of a radar excuses a vessel from the need of a look-outC
The radar equipment is only required to be used in restricted visibilityD
The safe speed of such a vessel will likely be greater than that of vessels without radar
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