Physics · Thermodynamics
In a two-stroke internal combustion engine, what happens during the downward stroke of the piston?
- 1Fresh charge enters into the crankcase, and the charge is compressed in the combustion chamber.
- 2Fresh charge enters into the crankcase, and exhaust gases are expelled.
- 3Fresh charge enters the combustion chamber, and fresh charge enters into the crankcase.
- 4Fresh charge enters from the crankcase to the combustion chamber, and exhaust gases are expelled.✓
Correct answer
Fresh charge enters from the crankcase to the combustion chamber, and exhaust gases are expelled.
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