默认题库 - 遇险通信

单选题

A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.

A. distress position
B. spoken words "Mayday，Mayday，Mayday"
C. ship's name
D. ship's call letter

单选题

The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.

A. the distance of visibility
B. 1/2 the distance of visibility
C. a distance appropriate to the existing circumstances and conditions
D. the distance that it would require for the propeller to go from full ahead to full aster

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单选题

TO EVACUATE A VESSEL FROM CREW AND PASSENGERS FOLLOWING A DISTRESS means（）.

Abandon vessel
B. Adrift
C. Beach to
D. Assembly statio

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单选题

All of the following are recognized distress signals under the Navigation Rules EXCEPT（）.

A. a green star signal
B. orange-colored smoke
C. red flares
D. the repeated raising and lowering of outstretched arm

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单选题

Distress flares and smoke signals for small passenger vessels（）.

A. are not required aboard vessels on runs of less than 30 minutes duration
B. must be Coast Guard approved and stowed in a portable，watertight container
C. must be marked with an expiration date not more than 42 months from the date of manufacture
D. All of the above

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单选题

Distress signals may be（）.

A. red flares
B. smoke signals
C. sound signals
D. Any of the above

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单选题

If you log a distress message，it must include the（）.

A. sea state
B. names of witnesses
C. time of its occurrence
D. wind direction and velocity

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单选题

Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE? （）

A. CSS duties are always assumed by passenger vessels，dry cargo vessels，or tankers in that order of precedence
B. The CSS must be established by mutual agreement between the ships concerned
C. A tank vessel should never be assigned CSS duties unless only tank vessels are present
D. The first vessel to arrive at the distress incident is designated as the CSS

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单选题

Wat is NOT required in the radiotelephone log?（）

A. Distress and alarm signals transmitted or intercepted
B. Times of beginning and end of watch period
C. Routine navigational traffic
Daily statement about the condition of the required radiotelephone equipment

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单选题

What is NOT a distress signal?（）

A. Red flares or red rockets
B. Continuous sounding of fog signaling apparatus
C. International Code Flags "November" and "Charlie"
D. Basket hanging in the rigging

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