单选题In reduced visibility，you hear two prolonged blasts of a whistle. This signal is sounded by a （）.Apower-driven vessel dead in the waterBsailing vessel on the port tackCvessel not under commandDvessel fishing with nets
单选题
In reduced visibility，you hear two prolonged blasts of a whistle. This signal is sounded by a （）.
A
power-driven vessel dead in the water
B
sailing vessel on the port tack
C
vessel not under command
D
vessel fishing with nets
参考解析
解析：
暂无解析
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
As per the standing orders，you should carry out all the following operations except ______ upon having received words that a person has fallen overboard.A.call the Master immediatelyB.stop the enginesC.sound the “Man Overboard” signal of 3 prolonged blasts on the whistle and 3 prolonged blasts on the general alarmD.prepare，as many as possible，rescue facilities，including warm clothes
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When visibility is reduced to about 5 miles, we say that visibility is（）.Avery goodBgoodCpoorDmoderate
单选题If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a （）.Avessel not under commandBsailing vesselCvessel being towed (manned)Dvessel being towed (unmanned)
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When you hear three short blasts on the ships whistle and the same signal on the general alarm bells, you （）.Aare required to go to your life-raftBare dismissed from drillsCshould point to the man overboardDshould start the fire pump
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Your vessel is approaching a bend. You hear a prolonged blast from around the bend. You should （）.Aback your enginesBstop your engines and driftCanswer with one prolonged blastDsound the danger signal
单选题As per the standing orders，you should carry out all the following operations except（）upon having received words that a person has fallen overboard.Acall the Master immediatelyBstop the enginesCsound the “Man Overboard” signal of 3 prolonged blasts on the whistle and 3 prolonged blasts on the general alarmDprepare，as many as possible，rescue facilities，including warm clothes
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You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.ATowingBEngaged on pilotage dutyCAground in a fairwayDStopped and making no way through the water
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A 200-meter vessel restricted in her ability to maneuver，at anchor，will sound a fog signal of（）.Aa 5 second ringing of a bell forward and a 5 second sounding of a gong aft at intervals of 1 minuteBone prolonged followed by two short blasts every 2 minutesCone prolonged followed by three short blasts every minuteDone prolonged followed by three short blasts every 2 minutes
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