Q208
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
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.