The lower cylindrical portion of the piston which improves piston cooling performance is called
A. Piston crown
B. Connecting rod
C. Piston pin boss
D. Piston skirt
Answer: Option D
Solution (By Examveda Team)
The piston skirt is the cylindrical walls of a piston. During manufacture, the surface of the piston skirt is left slightly rough which helps retain lubrication.The piston skirt acts as a guide as the piston goes up and down in the cylinder.
This Question Belongs to Mechanical Engineering >> Automobile Engineering
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