You are backing on twin engines with rudders amidships. Your starboard engine stalls. To continue backing on course, you should __________.

Correct Answer: Option A — apply left rudder

When the starboard engine stalls, the remaining port engine's thrust pushes the stern to starboard. To compensate for this unbalanced force and maintain a straight course while backing, the master must apply left rudder to counteract the turning moment and keep the vessel on its intended heading.