Question 157Motor Plants - Assistant Engineer
70% to passThe diesel engine component labeled "5", shown in the illustration is known as the_______________. Illustration MO-0122
Aheat sink space
Bpiston crown
Cconnecting rod end assembly
Dpiston thrust washer
AI Explanation
The correct answer is D) piston thrust washer. The piston thrust washer is the component labeled "5" in the diesel engine illustration MO-0122. This washer is responsible for guiding the piston as it moves within the cylinder, helping to maintain proper alignment and reduce wear on the piston and cylinder walls. The other answer choices are incorrect because: A) a heat sink space is not a specific engine component, B) the piston crown is the top of the piston, and C) the connecting rod end assembly is a separate component from the piston thrust washer.
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