At sea you sight two red lights. This would indicate ______.A.A vessel engaged in laying cableB.A vessel not under commandC.A vessel launching and recovering aircraftD.All of the above
At sea you sight two red lights. This would indicate ______.
A.A vessel engaged in laying cable
B.A vessel not under command
C.A vessel launching and recovering aircraft
D.All of the above
相关考题：
You are on international waters during a heavy rainstorm and hear a vessel sounding a fog signal of one prolonged blast followed by two short blasts． Which of the following could it be？Ⅰ．A vessel laying submarine cable making way．Ⅱ．A pilot vessel on station at anchor．A.Ⅰ onlyB.Ⅱ onlyC.Either Ⅰ or ⅡD.Neither Ⅰ nor Ⅱ
Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white?A.A vessel engaged in diving operationsB.A pilot vesselC.A vessel trawlingD.All of the above
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
Which vessel when anchored at night，would not be required to show anchor lights?A.A vessel engaged in underwater operationsB.A vessel engaged in mine clearanceC.A vessel engaged on pilotage dutyD.A vessel engaged in survey operations
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
A vessel not under command making way at night would show ______.A.two all-round red lights in a vertical lineB.anchor lights and sidelightsC.two all-round white lights in a vertical line，sidelights and a stern lightD.two all-round red lights in a vertical line，sidelights，and a stern light
A vessel engaged in mine clearance operations is called ______.A.a vessel restricted in her ability to maneuverB.a vessel not under commandC.a vessel constrained by her draughtD.a vessel not under way
单选题At sea，on what occasion would you display two red lights at night or two black balls during the day?（）.AWhen vessel is on fireBWhen vessel is not under commandCWhen vessel is carrying the dangerous cargoesDWhen vessel is restricted in her ability to maneuver
单选题When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.Aa junction with the preferred channel to the leftBa sharp turn in the channel to the rightCthe starboard side of the channelDa wreck to be left on the vessel's port side
单选题A vessel engaged in trawling will show identification lights of（）.Aa red light over a white lightBa white light over a red lightCa green light over a white lightDtwo red lights in a vertical line
单选题Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）AA vessel engaged in diving operationsBA pilot vesselCA vessel trawlingDAll of the above
单选题On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.Avessel being towedBfishing vessel engaged in trawlingCvessel at anchor warning you of her locationDpower-driven pilot vessel on station underway
单选题At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two（）.Ared lightsBred lights and two white lightsCred lights with a white light in betweenDwhite lights with a red light in between
单选题（）is not a vessel restricted in her ability to maneuver．AA vessel engaged in laying，servicing or picking up a navigation mark，submarine cable or pipelineBA vessel engaged in dredging，surveying or underwater operationsCA vessel engaged in replenishment or transferring persons，provisions or cargo while underwayDA power driven vessel which because of her draught in relation to the available depth and width of navigation water is severely restricted in her ability to deviate from the course she is following
单选题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? （）AYours is the give-way vessel because it is less than 30 meters longBYou shall not impede the safe passage of the tankerCThe tanker is the stand-on vessel because it is to port of your vesselDThe tanker is the stand-on vessel because it is the larger of the two vessels
单选题By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by（）.Aa floodlightBtwo red lights in a vertical lineCa single red lightDany visible lights
单选题You are in charge of a power-driven vessel navigating at night.You sight the red sidelight of another vessel on your port bow.The other vessel’s aft masthead light is to the right of her forward masthead light. You should（）.Astop enginesBhold course and speedCalter course to portDsound the danger signal
单选题You see another vessel approaching，and its compass bearing does not significantly change.This would indicate that（）.AYou are the stand-on vesselBRisk of collision existsCA special circumstances situation existsDThe other vessel is dead in the water
单选题You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.ANo fog signalBA prolonged blast at intervals never to exceed more than two minutesCA prolonged blast followed by two short blasts at intervals never to exceed more than two minutesDA prolonged blast followed by three short blasts at intervals never to exceed more than one minute
单选题You can indicate that your vessel is in distress by（）.Adisplaying a large red flagBdisplaying three black balls in a vertical lineCsounding four or more short rapid blasts on the whistleDcontinuously sounding the fog whistle
单选题A sailing vessel is overtaking a steam vessel in a fairway on International waters，so as to pass on the steam vessel’s port side． The sailing vessel is the（）.Aprivileged vessel and would sound two short blastsBburdened vessel and would sound two prolonged blasts followed by two short blastsCburdened vessel and would sound no whistle signalDprivileged vessel and would sound no whistle signal
单选题Which vessel when anchored at night，would not be required to show anchor lights? （）AA vessel engaged in underwater operationsBA vessel engaged in mine clearanceCA vessel engaged on pilotage dutyDA vessel engaged in survey operations
单选题By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.Avessel trollingBmineclearing vesselCtrawlerDvessel engaged in replenishment at sea
单选题You have berthed in a area with other tank vessels. What signal is displayed by a vessel to indicate it is transferring flammable or combustible liquid cargo?（）.AA flashing yellow lightBA red light visible all around the horizonCA green light visible all around the horizonDAn illuminated red and yellow caution flag
单选题A vessel engaged in replenishment or transferring persons，provisions or cargo while under way can be regarded as（）.Aa vessel restricted in her ability to maneuverBa vessel engaged in laying，serving or picking up a navigation mark，submarine cable or pipelineCa vessel not under commandDa power-driven vessel
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Which vessel would display a cone，apex downward（）.AA fishing vessel with outlying gearBA vessel proceeding under sail and machineryCA vessel engaged in diving operationsDA vessel being towed