A vessel engaged in fishing underway sounds the same fog signal as a（）.

单项选择题A vessel constrained by her draught shall，when risk of collision with another vessel in a crossing or head-on situation exists，（）.

A.apply the relevant Steering and Sailing Rules as a power-driven vessel
B.apply the relevant Steering and Sailing Rules as a Sailing vessel
C.apply the relevant Steering and Sailing Rules as a vessel not under command
D.apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operation

单项选择题A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）

A.Length of the towline
B.Height of the towline connection
C.Longitudinal position of the towline connection
D.Direction of opposing force

单项选择题A stand-on vessel in a crossing situation is allowed to take action when（）.

A.on a collision course
B.the vessels will pass within one mile
C.it becomes apparent to her that the give-way vessel is not taking appropriate action
D.the relative speed of the vessels indicates collision in less than six minutes

单项选择题A sailing vessel is overtaking a steam vessel in a fairway on International waters，so as to pass on the steam vessel’s port side． The sailing vessel is the（）.

A.privileged vessel and would sound two short blasts
B.burdened vessel and would sound two prolonged blasts followed by two short blasts
C.burdened vessel and would sound no whistle signal
D.privileged vessel and would sound no whistle signal