海船船员考试
单选题When your vessel enters thick fog，she should sound（）every two minutes in accordance with these Rules.A one short blastB one prolonged blastC two short blastsD three short blasts
题目
one short blast
one prolonged blast
two short blasts
three short blasts
相似问题和答案
第1题：
A vessel is "in sight" of another vessel when ______.
A.she can be observed by radar
B.she can be observed visually from the other vessel
C.she can be plotted on radar well enough to determine her heading
D.her fog signal can be heard
第2题：
A fire starts on your vessel while refueling. You should FIRST ______.
A.stop the ventilation
B.sound the general alarm
C.determine the source of the fire
D.attempt to extinguish the fire
你船在加载燃料时着火，你因该首先发出全船警报。
第3题：
When you notice oil on the water near your vessel while taking on fuel, you should FIRST ______.
A.stop loading
B.notify the senior deck officer
C.notify the terminal superintendent
D.determine whether your vessel is the source
第4题：
One blast at one-minute intervals
One blast at two-minute intervals
Two blasts at one-minute intervals
One prolonged and two short blasts at two-minute intervals
第5题：
If practical, when shall a manned vessel being towed sound her fog signal?______.
A.Immediately before the towing vessel sounds hers
B.Immediately after the towing vessel sounds hers.
C.As close to the mid-cycle of the towing vessel’s signals as possible
D.At any time as long as the interval is correct
如可行，配备有人员的被拖船应在什么时候鸣放雾号？紧接在拖船的信号后面.
第6题：
Your vessel is crossing a narrow channel．A vessel to port is within the channel and crossing your course．She is showing a black cylinder．What is your responsibility ________．
A.Hold your course and speed
B.Sound the danger signal
C.Begin an exchange of passing signals
D.Do not cross the channel if you might impede the other vessel
第7题：
Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.
A.When at anchor, the pilot vessel is only required to sound anchor signals
B.The identification signal must be sounded any time the pilot vessel is underway
C.The pilot vessel may only sound the identity signal when making way
D.All of the above
雾中有关引水船的识别信号，哪句是正确的？当锚泊时，引水船仅被要求鸣放锚泊船信号.
第8题：
A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?
A.When the towing vessel enters the fog
B.When the drilling rig enters the fog
C.When the towing vessel can no longer be seen from the rig
D.Immediately
第9题：
In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.
A.stop your engines
B.sound the danger signal at two-minute intervals
C.hold course and speed until the other vessel is sighted
D.take avoiding action as soon as possible
在雾中你观测雷达并确定与在你左舷船首2海里处的船舶存在碰撞危险。你应尽可能早地采取避碰行动
第10题：
When the towing vessel enters the fog
When the drilling rig enters the fog
When the towing vessel can no longer be seen from the rig
Immediately