單項選擇題

Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in （）.

A.waste of power
B.sudden sheering to either side
C.sluggish rudder response
D.All of the above

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單項選擇題

Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）

A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons

單項選擇題

If the officer on watch is in any doubt as to the pilot’s actions，or intentions，he should （）.

A.notify the Captain as soon as possible
B.seek clarification from the pilot
C.take action by his own judgment
D.cease the duty of pilot's at once