Coast Guard Exams
Question 141Motor Plants - Assistant Engineer70% to pass

The diesel engine wrist pin in the illustration is indicated by the component labeled_______________. Illustration MO-0122

Diagram for question 141
AI Explanation
The correct answer is A) '7'. The wrist pin, also known as the gudgeon pin, is the component that connects the connecting rod to the piston in a diesel engine. In the illustration MO-0122, the wrist pin is clearly labeled with the number '7', confirming that A) '7' is the correct answer. The other answer choices are incorrect because they do not correspond to the component labeled as the wrist pin in the illustration. B) '17' refers to a different engine component, C) 'G' is not a label used in the illustration, and D) 'S' is also not the label for the wrist pin.