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If you do NOT understand the course or intention of an approaching vessel you should sound ___________.
A.one short blast
B.one prolonged blast
C.not less than five short blasts
D.not less than five prolonged blasts
参考答案
更多 “ 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 ” 相关考题
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You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?A.Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargoB.Attempt to call the vessel on VHF radiotelephone because she is requesting to communicateC.Approach the vessel with caution because she is dragging her anchorD.Proceed on present course and speed since the vessel is requesting a tug
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While proceeding to a distress site，you hear the words “Seelonce mayday” on the radiotelephone．Which action should you take ________．A.Resume base course and speed as your assistance is no longer requiredB.Acknowledge receipt and advise your course，speed，and ETAC.Relay the original distress message as no other vessel has acknowledged itD.Monitor the radiotelephone but do not transmit
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A vessel is approaching from dead ahead.Both of her sidelights are visible and her range lights are in line. Which of the following could you do first? ______.A.Sound one blast of the whistleB.Alter course to starboardC.Construct a radar plotD.Sound the danger signal
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By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should ______.A.turn to portB.turn to starboardC.maintain course and speed and sound the danger signalD.maintain course and speed and sound no signal
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If your vessel is the stand-on vessel in a crossing situation ______.A.you must keep your course and speedB.you may change course and speed as the other vessel must keep clearC.the other vessel must keep her course and speedD.both vessels must keep their course and speed
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单选题You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.A
one blast，4 to 6 seconds in durationB
three blasts，4 to 6 seconds in durationC
one continuous blast until you are able to see around the bendD
one blast，8 to 10 seconds in duration
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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（）.A
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immediately sound the danger signalC
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单选题Two vessels are approaching each other near head on. What action should be taken to avoid collision?（）.A
The first vessel to sight the other should give wayB
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单选题You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should（）.A
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单选题You are aboard the give-way vessel in a crossing situation．What should you NOT do in obeying the Rules（）.A
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back your enginesB
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alter course to portD
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单选题Which statement is TRUE concerning the danger signal?（）.A
When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signalB
Only the stand-on vessel can sound the danger signalC
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one short blastB
one prolonged blastC
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not less than five prolonged blasts
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Countermand the order and immediately notify the MasterB
Make an appropriate entry in the deck log concerning the Pilot's orderC
Immediately call the Master and await further orders from himD
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单选题Your vessel is NOT making way，but is not in any way disabled.Another vessel is approaching you on your starboard beam.Which statement is TRUE（）.A
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单选题You are approaching another vessel and see that it has the signal flag “O” hoisted．What is your next action（）.A
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Acknowledge receipt and advise your course，speed，and ETAC
Relay the original distress message as no other vessel has acknowledged itD
Monitor the radiotelephone but do not transmit
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单选题If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.A
go in one direction until the fuel runs outB
plot a course for the nearest landC
take a vote on which direction you should goD
shut down the engine(s) and set the sea anchor
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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（）.A
alter course to starboard to pass around the other vesselB
reduce your speed to bare steeragewayC
slow your engines and let the other vessel pass ahead of youD
alter course to port to pass the other vessel on its portside
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单选题You are approaching another vessel and see that she has the signal flag “J” hoisted. What should you do?（）A
Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargoB
Attempt to call the vessel on VHF radiotelephone because she is requesting to communicateC
Approach the vessel with caution because she is dragging her anchorD
Proceed on present course and speed since the vessel is requesting a tug
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单选题At sea，you are approaching a small vessel and see that it has the signal flag P hoisted. What should you do?（）.A
Proceed on present course and speed since the vessel is stopped and making no way through the waterB
Keep clear of the vessel because it has a diver downC
Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistanceD
Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction
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单选题You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should（）.A
hold course and sound a two blast whistle signalB
hold course and sound no whistle signalC
change course to the right and sound one blastD
hold course and sound two prolonged and two short blasts
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单选题At night，if you see a vessel ahead displaying the lights shown you should（）.A
provide assistance as the vessel is in distressB
stay clear as the vessel is transferring dangerous cargoC
stay clear as the vessel is fishingD
change course to the right as the vessel is crossing your bow
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