In air-cooled small engines______ are provided on the outer perimeter of the engine?(a) Flanges(b) Fins(c) Holes(d) TreadsThe question was asked in examination.I'm obligated to ask this question of Methods of Cooling in portion Cooling System of Automotive Engine Design

In air-cooled small engines______ are provided on the outer perimeter

1.	In air-cooled small engines______ are provided on the outer perimeter of the engine?(a) Flanges(b) Fins(c) Holes(d) TreadsThe question was asked in examination.I'm obligated to ask this question of Methods of Cooling in portion Cooling System of Automotive Engine Design
Answer» The CORRECT answer is (b) Fins Easiest explanation: Fins are present on the outer PERIMETER of the engine as they INCREASE the surface AREA of contact metal with the air by doing this heat is transferred from the engine through Fins, into the atmosphere THUS achieving effective cooling is obtained.

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