You are crossing a narrow channel in a 15-meter vessel when

A vessel engaged in ______ shall not impede the passage of any other vessel navigating within a narrow channel or fairway．

A.mine clearance operation

B.towing operation

C.dredging or surveying or underwater operation

D.fishing

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

You may BEST turn a twin-screw vessel about，to the right，in a narrow channel by using ______.

A.Both engines ahead and helm

B.One engine only

C.Port engine ahead and the starboard engine astern

D.Both engines astern and use helm

If your vessel is the stand-on vessel in a crossing situation ______.

A.you must keep your course and speed

B.you may change course and speed as the other vessel must keep clear

C.the other vessel must keep her course and speed

D.both vessels must keep their course and speed

A vessel approaching a narrow channel shall _____.

A.avoid crossing the channel if it impedes another vessel navigating in the channel

B.not overtake any vessels within the channel

C.keep as close as possible to the edge of the channel on her port side

D.anchor only in the middle of the channel

You are crossing a narrow channel in a 15-meter vessel when you sight a tanker off your port bow coming up the channel. Which statement is TRUE?

A.Yours is the give-way vessel because it is less than 30 meters long

B.You shall not impede the safe passage of the tanker

C.The tanker is the stand-on vessel because it is to port of your vessel

D.The tanker is the stand-on vessel because it is the larger of the two vessels

You are monitoring VHF Channel 16 when you receive a call to your vessel，TEXAS PRIDE．What is the proper way to answer this call ________．

A.This is TEXAS PRIDE．Pick a channel

B.This is TEXAS PRIDE on Channel 16．Come back

C.This is TEXAS PRIDE，WSR 1234，reply Channel 10

D.Please stand by．We're busy right now

In a narrow channel or fairway when overtaking can take place only if the vessel to be over-taken has to take action to permit safe passing， the vessel intending to overtake shall indicate her intention by sounding appropriate signal． This means that ________ ．

A.the vessel to be overtaken shall sound appropriate signal first

B.the overtaking vessel shall sound appropriate signal first

C.the overtaking vessel shall take action to permit safe passing

D.the vessel to be overtaken shall take action to permit safe passing before hearing appropriate signal

A vessel proceeding along a narrow channel shall ______.

A.avoid crossing the channel at right angles

B.not overtake any vessels within the channel

C.keep as near as safe and practicable to the limit of the channel on her starboard side

D.when nearing a bend in the channel, sound a long blast of the whistle

In a narrow channel, a signal of intent which must be answered by the other vessel, is sounded by a vessel ______.

A.meeting another head-on

B.overtaking another

C.Any of the above

D.crossing the course of another