單項(xiàng)選擇題In the absence of a route leading from seaward,the conventional direction of buoyage generally follows().

A.an anti-clockwise direction around land masses
B.a clockwise direction around land masses
C.an anticlockwise direction around sea masses
D.a clockwise direction around sea masses


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1.單項(xiàng)選擇題In regions where ice conditions prevail in the winter,().

A.the lantern panes of unattended lights may not become covered with ice or snow
B.the lantern panes of unattended lights may become covered with ice or snow
C.ice or snow is likely caused colored
D.the white lights are likely caused to appear colored

2.單項(xiàng)選擇題A vessel shall not().

A.enter the traffic separation zone in an emergency
B.cross a traffic lane
C.engage in fishing in the separation zone
D.proceed in an inappropriate traffic lane

3.單項(xiàng)選擇題A sailing vessel shall not impede the safe passage of a().

A.power-driven vessel following a traffic lane
B.pilot vessel enroute to a pilot station
C.law enforcement vessel
D.All of the above

4.單項(xiàng)選擇題()is not a type of IALA maritime buoyage system.

A.special marks
B.isolated danger marks
C.cardinal marks
D.fore and aft marks

5.單項(xiàng)選擇題When using the anchor to steady the bow while approaching a dock you must be aware of the fact that().

A.the vessel will tend to take a large sheer towards the side where the anchor is down
B.steering control is ineffective in trying to turn to the side opposite to that of the anchor being used
C.the anchor cable must never lead under the hull
D.using an offshore anchor decreases the chances of the anchor holding

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The approach to the roads and harbor from the()entails no difficulty.

題型:單項(xiàng)選擇題

Which vessel would display a cone,apex downward().

題型:單項(xiàng)選擇題

Your ship is in shallow water and the bow rides up on its bow wave while the stern sinks into a depression of its transverse wave system.What is this called().

題型:單項(xiàng)選擇題

You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix,in relation to the position indicated by the fix,you will be().

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Which effect does speed through the water have on a vessel which is underway in shallow water ().

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In the absence of a route leading from seaward,the conventional direction of buoyage generally follows().

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A vessel shall not().

題型:單項(xiàng)選擇題

You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast,the greatest safety margin from inshore dangers will result if what speed is used to determine().

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When towing astern,increased catenary will().

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You are drifting in a locale where there is no current.As a rule,your vessel will lie().

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