A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to ______.A.moderate speedB.safe speedC.half speedD.bare steerageway
A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to ______.
A.moderate speed
B.safe speed
C.half speed
D.bare steerageway
相关考题：
In a narrow channel or fairway when overtaking can take place only if the vessel to be over-taken has to take action to permit safe passing， the vessel intending to overtake shall indicate her intention by sounding appropriate signal． This means that ________ ．A.the vessel to be overtaken shall sound appropriate signal firstB.the overtaking vessel shall sound appropriate signal firstC.the overtaking vessel shall take action to permit safe passingD.the vessel to be overtaken shall take action to permit safe passing before hearing appropriate signal
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.A.vessel being towedB.fishing vessel engaged in trawlingC.vessel at anchor warning you of her locationD.power-driven pilot vessel on station underway
A vessel is "in sight" of another vessel when ______.A.she can be observed by radarB.she can be observed visually from the other vesselC.she can be plotted on radar well enough to determine her headingD.her fog signal can be heard
A vessel not under command sounds the same fog signal as a vessel ______.A.engaged in towingB.constrained by her draftC.under sailD.All of the above
If practical, when shall a manned vessel being towed sound her fog signal?______.A.Immediately before the towing vessel sounds hersB.Immediately after the towing vessel sounds hers.C.As close to the mid-cycle of the towing vessel’s signals as possibleD.At any time as long as the interval is correct
In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.A.stop your enginesB.sound the danger signal at two-minute intervalsC.hold course and speed until the other vessel is sightedD.take avoiding action as soon as possible
In order for a stand-on vessel to take action in a situation, she must determine that the other vessel ______.A.is restricted in her ability to maneuverB.has sounded the danger signalC.is not taking appropriate actionD.has not changed course since risk of collision was determined
单选题You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.Astop your enginesBsound two prolonged blasts of the whistleCsound the danger signalDslow to bare steerageway
单选题Risk of collision is considered to exist if（）.Afour vessels are nearbyBa vessel has a steady bearing at a constant rangeCthere is any doubt that a risk of collision existsDa special circumstance situation is apparent
单选题You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.AReduce speed to bare steeragewayBStop your enginesCBegin a radar plotDAll of the above
单选题A vessel not under command sounds the same fog signal as a vessel（）.AtowingBconstrained by her draftCunder sailDAll of the above
单选题You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.AYour speed must be reduced to bare steeragewayBA look-out is not required if the radar is onCFog signals are only required when a vessel is detected by radarDThe radar should always be kept on a short-range scale
单选题Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.AThe vessel which has the other on her own starboard sideBThe vessel which has the other on her own port sideCThe one which hears the other's fog signal firstDNeither vessel is the stand-on vessel
单选题You are in charge of a stand-on vessel in a crossing situation.The other vessel is 1.5 miles to port.You believe that risk of collision exists.You should（）.Atake avoiding action immediately upon determining that risk of collision existsBimmediately sound the danger signalCtake avoiding action only after providing the give-way vessel time to take action ,and determining that her action is not appropriateDhold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision
单选题You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.Astop your enginesBsound two prolonged blasts of the whistleCsound the danger signalDslow to bare steerageway
单选题A vessel is in sight of another vessel when she（）.Acan be observed by radarBhas determined that risk of collision existsCis sounding a fog signal which can be heard on the other vesselDcan be observed visually from the other vessel
单选题A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to（）.Amoderate speedBsafe speedChalf speedDbare steerageway
单选题Where does the look-out man stand?（）.AIn positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearlyBIn positions in which the noises in the ship are much likely to interfere with the hearing of a fog signalCIn positions in which the hearing of a signal is reduced to a minimumDIn a position in which the man can see clearly
单选题In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should（）.Astop your enginesBsound the danger signal at two-minute intervalsChold course and speed until the other vessel is sightedDtake avoiding action as soon as possible
单选题You are underway in thick fog.You have not determined if risk of collision exists.Which statement is true?（）AYour speed must be reduced to bare steerage waysBA look-out is not required if the radar is onCThe radar should always be kept on a short-range scaleDFog signals are only required when a vessel is detected by radar
单选题You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）.Aalter course to starboard to pass around the other vesselBreduce your speed to bare steeragewayCslow your engines and let the other vessel pass ahead of youDalter course to port to pass the other vessel on its portside
单选题A continuous sounding of a fog-signal apparatus indicates（）.Athe vessel is in distressBthe vessel has completed loading dangerous cargoCit is safe to passDthe vessel is anchored
单选题A fog signal consisting of one prolonged blast followed by four short blasts would indicate thepresence of a（）.Avessel being towedBfishing vessel engaged in trawlingCvessel at anchor warning of her locationDpower-driven pilot vessel on station underway
单选题A vessel is “in sight” of another vessel when（）.Ashe can be observed by radarBshe can be observed visually from the other vesselCshe can be plotted on radar well enough to determine her headingDher fog signal can be heard
单选题Which statement concerning maneuvering in restricted visibility is FALSE?（）.AA vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steeragewayBA vessel which hears a fog signal forward of her beam shall stop her enginesCA vessel which hears a fog signal forward of the beam shall navigate with cautionDIf a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
单选题A vessel engaged in fishing underway sounds the same fog signal as a（）.Apower-driven vessel stopped and making no way through the waterBvessel being towedCvessel restricted in her ability to maneuver at anchorDsailing vessel at anchor
单选题In order for a stand-on vessel to take action in a situation，she must determine that the other vessel（）.AIs restricted in her ability to maneuverBHas sounded the danger signalCIs not taking appropriate actionDHas not changed course since risk of collision was determined