Rule 14 describes the action to be taken by vessel meeting h

A. The NAT action of off is only supported for destination NAT rule-sets.

B. The NAT action of off is only supported for source NAT rule-sets.

C. The NAT action of off is useful for detailed control of NAT.

D. The NAT action of off is useful for disabling NAT when a pool is exhausted

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

Rule 14 describes the action to be taken by vessels meeting head-on. Which of the following conditions must exist in order for this rule to apply?______.

A.Both vessels must be power-driven.

B.They must be meeting on reciprocal or nearly reciprocal courses.

C.The situation must involve risk of collision.

D.All of the above

A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment?

A.Move the quadrantal spheres closer to the compass

B.Raise the heeling magnet if the red end is up

C.Remove some of the Flinders bar

D.Raise or lower the athwartship magnets

A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing? ______.

A.Shift weight to the bow

B.Shift weight to the center of the boat

C.Shift weight to the stern

D.Throw excess weight overboard

In restricted visibility the speed of a vessel without operational radar may be ________ enable effective avoiding action to be taken on sighting another ship．

A.too low to

B.too high to

C.too high for

D.too low for

A vessel not to impede the passage of another vessel is not relieved ______ taking collision-avoiding action．

A.on

B.of

C.in

D.for

I am committed _______ part in the meeting.

A、to taking

B、to take

C、taking

D、taken

A stand-on vessel is ______.

A.required to give way in a crossing situation

B.required to sound the first passing signal in a meeting situation

C.free to maneuver in any crossing or meeting situation as it has the right-of-way

D.required to maintain course and speed in a crossing situation but may take action to avoid collision

______is the speed of a vessel allowing time for effective action to be taken under prevailing circumstances and conditions to avoid a collision and to be stopped within an appropriate distance．

A.Safe speed

B.Economic speed

C.Proper speed

D.Navigation speed