Question 4230 Deck General

70% to pass

Your vessel is backing on the starboard screw, and going ahead on the port screw. The bow will _______________.

A swing to port
B back on a straight line
C move ahead on a straight line
D swing to starboard
AI Explanation

The correct answer is D) swing to starboard. When a vessel is backing on the starboard screw and going ahead on the port screw, the bow will swing to starboard. This is because the differential thrust created by the two screws rotating in opposite directions will cause the bow to turn in the direction of the starboard screw, which is providing the greater thrust. The other answer choices are incorrect because: A) the bow will swing to starboard, not port; B) the vessel will not back in a straight line due to the differential thrust; and C) the vessel will not move ahead in a straight line due to the differential thrust.

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