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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q531 - Motor Plants I
352. Which of the indicator diagrams illustrated indicates the condition that should be corrected by retarding the timing, and the fitting of thicker shims to the connecting rod
Choice D is correct; the diagram shows excessive compression pressure and an early firing peak, which requires retarding fuel injection timing and fitting thicker connecting rod shims to increase clearance volume.
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