[单项选择]A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the （）limit of the channel or fairway which lies on her（）side as is safe and practicable.
A. inner，port
B. inner，starboard
C. outer，port
D. outer，starboard

[单项选择]A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?（）.
A. A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable
B. A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable
C. A vessel shall avoid proceeding along the channel because it is not safe and practicable
D. A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable

[单项选择]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

[单项选择]A vessel proceeding along the bank of a river or channel has the tendency to（）.
A. continue in line with the bank
B. hug the bank
C. sheer away from the bank
D. increase speed

[单项选择]A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way? （）
A. The vessel moving upstream against the current
B. The vessel moving downstream with a following current
C. The vessel located more towards the channel centerline
D. The vessel with the least amount of maneuverability

[单项选择]If your vessel were proceeding down river (descending)，a green square marker with a green reflector border on the right bank would be a（）.
A. mile board
B. dredging mark
C. passing daymark
D. crossing daymark

[单项选择]On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE?（）.
A. Danger of heavy ship sweat exists； constant and vigorous ventilation is required
B. There is danger of heavy cargo sweat if outside air is introduced by ventilation
C. There is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is needed
D. The possibility of any sweat problem，either cargo or ship，is remote

[单项选择]A vessel proceeding to London，England，from New York makes an unscheduled call at the port of Hamilton，Bermuda. What term is used to denote the voluntary departure from the usual course? （）
A. Alteration
B. Deviation
C. Liberty
D. Unscheduled stop

[单项选择]When your vessel is proceeding to the area of traffic density，（）is used to determine the exact ranges of other ships or objects in the vicinity.
A. Radar
B. GPS
C. DF
D. Satellite Navigator

[单项选择]A vessel is proceeding from a very cold climate to a warm climate.With a cargo of non-hygroscopic nature，which of the following is correct?（）.
A. There is danger of heavy cargo sweat if outside air is introduced by ventilation
B. Danger of the ship sweat exists.Constant and vigorous ventilation is required
C. There is little danger of ship's sweat;slight possibility of cargo sweat
D. The possibility of any ship or cargo sweat is remote

[单项选择]The only access（）their house is along a narrow road.
A. to
B. of
C. at
D. on

[单项选择]A vessel traveling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.
A. smelling the bottom
B. squatting
C. bank suction
D. bank cushion

[单项选择]A vessel travelling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.
A. smelling the bottom
B. squatting
C. bank suction
D. bank cushion

[单项选择]A swift current occurring in a narrow passage connecting two large bodies of water which is produced by the continuously changing difference in height of tide at the two ends of the passage is called a(n)（）.
A. hydraulic current
B. rectilinear current
C. rotary current
D. harmonic current

[单项选择]You intend to overtake a vessel in a narrow channel.As you approach the other vessel’s stern（）
A. you will gain speed
B. both vessels will gain speed
C. the vessels will drift together
D. the vessels will drift apart

[单项选择]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

[单项选择]When a ship is entering to narrow waterway and the fuel feeding of the main engine is keeping unchanged, which of the following is the wrong conclusion?（）
A. the power of main engine will be reduced
B. exhaust temperature will be increased
C. the speed of the ship will be reduced
D. the propulsion characteristic of propeller will keep unchanged

[单项选择]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