Question 8Motor Plants - 1st Asst/Chief
70% to passPiston cooling fins are located_______________.
Aon top of the piston crown
Bunderneath the piston crown
Cat the base of the piston skirt
Dinside the cylinder liner cooling water jacket
AI Explanation
The correct answer is B) underneath the piston crown. Piston cooling fins are located underneath the piston crown to help dissipate heat generated during the combustion process. The fins increase the surface area of the piston that is exposed to the cylinder wall, allowing more efficient heat transfer from the piston to the cylinder liner and the engine's cooling system. The other answer choices are incorrect because: A) the piston crown does not have cooling fins, C) the piston skirt does not have cooling fins, and D) the cooling water jacket is part of the cylinder liner, not the piston.
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