1. intake stroke--------(a).the gas vapor/air mixture enters the cylinder.
2. Compression stroke-(b)the gas vapor/air mixture is pressurized.
What is a four-stroke engine ?
The engine in which the complete processes including the intake , compression,power and exhaust is done in the four strokes of piston is known as the four-stroke engine.
Match the following are;
1. intake stroke--------(a).the gas vapor/air mixture enters the cylinder.
2. Compression stroke-(b)the gas vapor/air mixture is pressurized.
3. Power stroke-----------(c)hot gases are expelled from the cylinder.
4. Exhaust stroke--------d. a spark from a spark plug initiates a chemical reaction.
Hence, above are the correct matches.
To learn more about the four-stroke engine, refer:
https://brainly.com/question/10050506
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