Especially in adverse weather, risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?______.
A.Upwind
B.Downwind
C.Crosswind
D.Downcurrent
单选题To determine if risk of collision exists，a vessel which is fitted with radar must use（）.A radar scanningB radar plottingC compass bearingsD All of the above
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单选题Especially in adverse weather，risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?（）.A UpwindB DownwindC CrosswindD Downcurrent
单选题Especially in adverse weather,risk of collision with an offshore supply vessel increase when the vessel is moored to what side of the unit?（）.A UpwindB DownwindC CrosswindD Downcurrent
单选题Following a collision or accident，the Master of each vessel involved must render assistance to persons affected by the collision or accident（）.A if he can do so without any risk to his vesselB if he can do so without undue delayC if he can do so without serious danger to his vessel or to individuals on boardD without regard to any danger to his vessel
单选题Risk of collision may be deemed to exist（）.A if the compass bearing of an approaching vessel does not appreciably changeB even when an appreciable bearing change is evident, particularly when approaching a vessel at close rangeC if you observe both sidelights of a vessel ahead for an extended period of timeD All of the above
单选题The risk of collision shall be deemed to exist if the compass bearing of an approaching vessel （）.A did not appreciably changeB does not appreciably changeC do not appreciably changeD not appreciably change
单选题Risk of collision is considered to exist if（）.A four vessels are nearbyB a vessel has a steady bearing at a constant rangeC there is any doubt that a risk of collision existsD a special circumstance situation is apparent
