stop your engines
sound two prolonged blasts of the whistle
sound the danger signal
slow to bare steerageway
第1题：
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.
A.vessel being towed
B.fishing vessel engaged in trawling
C.vessel at anchor warning you of her location
D.power-driven pilot vessel on station underway
第2题：
第3题：
Dense fog comes with bad visibility, fog signal bell must be kept ________at regulation intervals
A.to go
B.going
C.goes
D.go
第4题：
vessel not under command
sailing vessel
vessel in distress
vessel being towed
第5题：
Reduce speed to bare steerageway
Stop your engines
Begin a radar plot
All of the above
第6题：
Where will you find the requirements for the signals that must be sounded by a mobile offshore drilling unit that is being towed through an area of restricted visibility?
A.COLREGS
B.MMS Rules
C.SOLAS Convention
D.Coast Pilot
第7题：
stop your engines
sound two prolonged blasts of the whistle
sound the danger signal
slow to bare steerageway
第8题：
In case of your steering gear failed,________should be exhibited in shapes or lights.
A.no under command
B.restricted in her ability
C.restrained by her draught
D.underway
第9题：
vessel not under command
sailing vessel
vessel being towed (manned)
vessel being towed (unmanned)
第10题：
Your speed must be reduced to bare steerageway
A look-out is not required if the radar is on
Fog signals are only required when a vessel is detected by radar
The radar should always be kept on a short-range scale