Coast Guard Exams
Question 129Motor Plants - 1st Asst/Chief70% to pass

Which of the following statements represents the function of the plunger flange labeled "A" shown in the illustration? Illustration MO-0061

Diagram for question 129
AI Explanation
The correct answer is D) It transmits the control rack setting to the plunger. The plunger flange labeled "A" in the illustration MO-0061 functions to transmit the control rack setting to the plunger. This allows the plunger to adjust its position and timing based on the control rack setting, which is a critical component in the fuel injection process. The other options are incorrect because: A) The plunger is prevented from rotating by other components, not the flange. B) The stroke of the plunger is limited by the design of the fuel injection pump, not the flange. C) The plunger is taken off stroke by the action of the control rack, not the flange.