更多"The use of the danger signal（）."的相关试题:
[单项选择]Which spoken emergency signal would you use to call a boat to come assist a man overboard?（）
A. Distress signal
B. Urgency signal
C. Safety signal
D. None of the above
[单项选择]It is danger for vessels without the use of（）to approach the estuary in such poor visibility.
A. Loran C
B. Direction Finder
C. Gyro- compass
D. Radar
[单项选择]How should you signal the crane operator to use the main hoist?（）.
A. Use one hand to give any miotion signal , and place the other hand motionless in front of the hand giving the motion signal
B. Extend arm with the thumb pointing up , and flex the fingers in and out for as long as the load movement is desired
C. First tap your elbow with one hand , and then proceed to use regular signals
D. First tap the top of your head with your first , and then proceed to use regular signals
[单项选择]Which signal is recognized as a distress signal?（）.
A. Directing the beam of a searchlight at another vessel
B. A smoke signal giving off orange colored smoke
C. A whistle signal of one prolonged and three short blasts
D. International Code Signal PAN spoken over the radiotelephone
[单项选择]You are（）danger.
A. run in
B. running into
C. run into
D. running in
[单项选择]（）there danger of explosion?
A. Is
B. Has
C. If
D. Do
[单项选择]The transmission of messages respecting the dangers specified is free（）cost to the ships concerned.
A. of
B. on
C. at
D. in
[单项选择]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 signal
B. Only the stand-on vessel can sound the danger signal
C. Distress signals may be used in place of the danger signal
D. The danger signal consists of 4 or more short blasts of the whistle
[单项选择]The danger associated with using carbon dioxide in an enclosed space is（）.
A. frostbite
B. skin burns
C. asphyxiation
D. an explosive reaction
[单项选择]A distress signal（）.
A. consists of 5 or more short blasts of the fog signal apparatus
B. consists of the raising and lowering of a large white flag
C. may be used separately or with other distress signals
D. is used to indicate doubt about another vessel's intentions
[单项选择]You are running into danger,（）.
A. shallow water ahead of you
B. submerged wreck ahead of you
C. risk of collision imminent
D. A, B, C are all right
[单项选择]When two vessels are in immediate danger of collision，the stand-on vessel must（）.
A. abandon ship
B. assist in taking whatever action is necessary to avoid collision
C. hold course and speed
D. sound a distress signal
[单项选择]What danger is presented if a waterspout passes over a ship?（）
A. Heavy rains could cause downflooding
B. Visibility could be restricted by low clouds
C. Large waves could cause structural damage
D. Personnel may be injured by loose deck gear blown by the wind
