How many rings are available on a single piston?
ایک پسٹن پر کتنے حلقے دستیاب ہیں؟
- 2
- 3
- 4
- 5
Explanation
3 Piston rings as follows:
- 1st piston ring:
compression of combustion air or gas mixture and the resulting gas pressure in the combustion cycle, transfer of generated heat to the cylinder surface
- 2nd piston ring:
support of the remaining gas pressure due to blow-by past the 1st piston ring
- 3rd piston ring:
scraping of oil
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