更多"You are underway and pass by a ligh"的相关试题:
[单项选择]You are underway and pass by a lighthouse. Its light,which was white since you first sighted it,changes to red. This means().
A. the light is characterized as alternately flashing
B. the lighthouse has lost power and has switched to emergency lighting
C. it is the identifying light characteristic of the lighthouse
D. you have entered an area of shoal water or other hazard
[单项选择]While underway at night you observe a vessel’s range lights in line off your starboard beam. You should().
A. come right
B. sound the danger signal
C. continue on your course
D. come left
[单项选择]You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel().
A. Towing
B. Engaged on pilotage duty
C. Aground in a fairway
D. Stopped and making no way through the water
[单项选择]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
[单项选择]You are underway in thick fog.You have not determined if risk of collision exists.Which statement is true?()
A. Your speed must be reduced to bare steerage ways
B. A look-out is not required if the radar is on
C. The radar should always be kept on a short-range scale
D. Fog signals are only required when a vessel is detected by radar
[单项选择]You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?().
A. Your speed must be reduced to bare steerageway
B. A look-out is not required if the radar is on
C. Fog signals are only required when a vessel is detected by radar
D. The radar should always be kept on a short-range scale
[单项选择]If your vessel is underway in fog and you hear one prolonged and three short blasts,this is a ().
A. vessel not under command
B. sailing vessel
C. vessel being towed (manned)
D. vessel being towed (unmanned)
[单项选择]While underway in thick fog you are on watch and hear the cry“man overboard”.Which type of maneuver should you make().
A. Figure eight turn
B. Round turn
C. Racetrack turn
D. Williamson turn
[单项选择]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
[单项选择]When underway in a channel,you should keep to the().
A. Middle of the channel
B. Starboard side of the channel
C. Port side of the channel
D. Side of the channel that has the widest turns
[单项选择]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().
A. not under command
B. being towed
C. on pilotage duty
D. aground
[单项选择]You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must().
A. stop your engines
B. sound two prolonged blasts of the whistle
C. sound the danger signal
D. slow to bare steerageway
[单项选择]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 duration
B. three blasts,4 to 6 seconds in duration
C. one continuous blast until you are able to see around the bend
D. one blast,8 to 10 seconds in duration
[单项选择]After you get underway,what is the first river gage you will pass? ()
A. Bayou Sara
B. Baton Rouge
C. Head of Passes
D. Red River Landing
[单项选择]You are underway at 5 knots and see on your radar a contact 10 miles directly astern of you. 12 minutes later,the contact is 8 miles directly astern of you. What is the estimated speed of the contact? ()
A. Dead in the water
B. 1 knot
C. 10 knots
D. 15 knots
[单项选择]Advise you pass()of my vessel.
A. astern
B. head
C. stern
D. fore
[单项选择]Which current would you encounter on a direct passage from southern Africa to Argentina,South America().
A. South Atlantic
B. South Equatorial
C. Agulhas
D. Guinea