單項選擇題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().

A.privileged vessel and would sound two short blasts
B.burdened vessel and would sound two prolonged blasts followed by two short blasts
C.burdened vessel and would sound no whistle signal
D.privileged vessel and would sound no whistle signal


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1.單項選擇題Which vessel is NOT to be regarded as restricted in her ability to maneuver().

A.A vessel transferring provisions while underway
B.A pushing vessel and a vessel being pushed when connected in a composite unit
C.A vessel servicing a navigation mark
D.A vessel launching aircraft

2.單項選擇題When underway in a channel,you should if safe and practicable().

A.stay near the middle of the channel
B.keep to the starboard side of any vessels you meet
C.exchange whistle signals with any other vessels in the channel
D.keep to the side of the channel which lies to your starboard

3.單項選擇題When shall the stand-on vessel in a crossing situation take action to avoid the other vessel().

A.When a risk of collision exists
B.When action by the give-way vessel alone will not prevent a collision
C.When the bearing to give-way vessel becomes steady
D.When the vessels become less than 1/2 mile apart

4.單項選擇題You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST().

A.Reduce speed to bare steerageway
B.Stop your engines
C.Begin a radar plot
D.All of the above

5.單項選擇題When visibility is restricted(),we can say it is restricted visibility.

A.by long distance
B.by the darkness at night
C.by a vessel in front
D.by fog or falling snow

6.單項選擇題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 ().

A.No fog signal
B.A prolonged blast at intervals never to exceed more than two minutes
C.A prolonged blast followed by two short blasts at intervals never to exceed more than two minutes
D.A prolonged blast followed by three short blasts at intervals never to exceed more than one minute

7.單項選擇題You see a vessel carrying a black diamond which indicates a().

A.vessel towing astern
B.barge pushed ahead
C.vessel towing astern only when the length of her tow exceeds 200 meters
D.this signal does not exist in international waters

8.單項選擇題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 vessel
B.reduce your speed to bare steerageway
C.slow your engines and let the other vessel pass ahead of you
D.alter course to port to pass the other vessel on its portside

9.單項選擇題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.Your vessel is obligated to stay out of the way
B.The other vessel must give way,since your vessel is stopped
C.You should be showing the lights or shapes for a vessel not under command
D.You should be showing the lights or shapes for a vessel restricted in her ability to maneuver

10.單項選擇題When ship at anchor she shall be deemed to be().

A.Not under-way
B.Not under command
C.Restricted in her ability to maneuver
D.A non-displacement ship