Five or more short blasts on a vessel’s whistle indicates that she is ______.A.in doubt that another vessel is taking sufficient action to avoid a collisionB.altering course to starboardC.altering course to portD.the stand-on vessel and will maintain course and speed
Five or more short blasts on a vessel’s whistle indicates that she is ______.
A.in doubt that another vessel is taking sufficient action to avoid a collision
B.altering course to starboard
C.altering course to port
D.the stand-on vessel and will maintain course and speed
相关考题：
Approaching a anchorage in fog, you hear one short, one prolonged, and one short blast in that sequence on a ship’s whistle. This indicates ______.A.A vessel towedB.A vessel not under command and unable to maneuver.C.A vessel anchored giving warning of her position.D.A vessel stopped dead in the water.
If you do NOT understand the course or intention of an approaching vessel you should sound ___________.A.one short blastB.one prolonged blastC.not less than five short blastsD.not less than five prolonged blasts
单选题The wind is ESE，and a sailing vessel is steering NW. Which fog signal should she sound?（）AOne blast at one-minute intervalsBOne blast at two-minute intervalsCTwo blasts at one-minute intervalsDOne prolonged and two short blasts at two-minute intervals
单选题If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a（）.Avessel not under commandBsailing vesselCvessel in distressDvessel being towed
单选题When vessel enters thick fog, she should sound（）every two minutes in accordance with the rules.Aone short blastBone prolonged blastCtwo short blasts
单选题When your vessel enters thick fog，she should sound（）every two minutes in accordance with these Rules.Aone short blastBone prolonged blastCtwo short blastsDthree short blasts
单选题I sounded five short blasts to warn the vessel（）the immediate danger of collision.AofBoffCtoDwith
单选题A sailing vessel is overtaking a power-driven vessel in a narrow channel，so as to pass on the power-driven vessel’s port side. The overtaken vessel will have to move to facilitate passage. The sailing vessel is the（）.Astand-on vessel and would sound two short blastsBgive-way vessel and would sound no whistle signalCstand-on vessel and would sound no whistle signalDgive-way vessel and would sound two prolonged blasts followed by two short blasts
单选题Which statement is TRUE concerning the danger signal?（）.AWhen any vessel fails to understand the intentions of an approaching vessel she must sound the danger signalBOnly the stand-on vessel can sound the danger signalCDistress signals may be used in place of the danger signalDThe danger signal consists of 4 or more short blasts of the whistle
单选题If you do NOT understand the course or intention of an approaching vessel you should sound （）.Aone short blastBone prolonged blastCnot less than five short blastsDnot less than five prolonged blasts
单选题While underway，in fog，you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel（）.Anot under commandBbeing towedCon pilotage dutyDaground
单选题Five or more short blasts on a vessel’s whistle indicates that she is（）.AIn doubt that another vessel is taking sufficient action to avoid a collisionBAltering course to starboardCAltering course to portDThe stand-on vessel and will maintain course and speed
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Traditionally，the signal for fire aboard ship is（）.Amore than 6 short blasts and 1 long blast on the whistle，and the same signal on the general alarmBcontinuous sounding of the ship's whistle and the general alarm for at least 10 secondsC1 short blast on the whistleDalternating short and long blasts on the ship's whistle
单选题A distress signal（）.Aconsists of 5 or more short blasts of the fog signal apparatusBconsists of the raising and lowering of a large white flagCmay be used separately or with other distress signalsDis used to indicate doubt about another vessel's intentions
单选题Which of the following represents the emergency signal for fire aboard ship?（）AMore than six short blasts and one long blast on the whistleBContinuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarmCThree short blasts of the whistle supplemented by the same signal on the general alarmDMore than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm
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If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm,you should（）.Astart the fire pumpBgo to your man overboard stationCgo to your lifeboat stationDcollision station
单选题A distress signal（）.Aconsists of 5 or more short blasts of the fog signal apparatusBconsists of the raising and lowering of a large white flagCmay be used individually or in conjunction with other distress signalsDis used to indicate doubt about another vessel's intentions
单选题Three short blasts of the whistle means（）.AdangerBI am in distressCthe vessel is not under command (broken down)DI am operating astern propulsion
单选题When two vessels are in sight of one another and NOT in or near an area of restricted visibility，any of the following signals may be given EXCEPT（）.Aa light signal of at least five short and rapid flashesBone prolonged，one short，one prolonged，and one short whistle blastsCfour short whistle blastsDtwo short whistle blasts
单选题Approaching an anchorage in fog，you hear one short，one prolonged，and one short blast in that sequence on a ship’s whistle． This indicates（）.AA vessel towedBA vessel not under command and unable to maneuverCA vessel anchored giving warning of her positionDA vessel stopped dead in the water
单选题You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should（）.Ahold course and sound a two blast whistle signalBhold course and sound no whistle signalCchange course to the right and sound one blastDhold course and sound two prolonged and two short blasts
单选题The abandon ship signal sounded by the vessels whistle is （）.A6 short blasts and 1 long blastBlong blast mare than 6 short blastsCmore than 6 short blasts and 1 long blastD1 long blast of at least 10 seconds
单选题A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.Adisplaying code letter Y (Yankee)Bsounding five short blasts on his whistleCdisplaying code numeral 5Dsounding one prolonged blast on his whistle
单选题The signal given to commence lowering the lifeboats is（）.A3 short blasts of the ship's whistleB1 short blast of the ship's whistleC3 long blasts of the ship's whistleD1 long blast of the ship's whistle