Coast Guard Exams
Question 770Navigation General70% to pass

A marine chronometer should be rewound once every _______________.

AI Explanation
The correct answer is B) day. A marine chronometer is a highly precise timepiece used for navigation at sea. To maintain its accuracy, a marine chronometer should be rewound once every day, or every 24 hours. This is a standard practice and requirement for the proper operation and maintenance of a marine chronometer. The other answer choices are incorrect because: A) rewinding every 12 hours is too frequent, C) rewinding every 3 days is too infrequent, and D) rewinding weekly is also too infrequent for maintaining the chronometer's precision for navigation purposes.

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