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Questions and Answers
What is the primary purpose of scavenging in a 4-stroke engine?
What is the primary purpose of scavenging in a 4-stroke engine?
- Reducing the amount of air-fuel mixture in the combustion chamber
- Removing exhaust gases and replacing them with a fresh air-fuel mixture (correct)
- Increasing the temperature of the combustion chamber
- Preventing the exhaust stroke from occurring
How does efficient scavenging contribute to combustion in a 4-stroke engine?
How does efficient scavenging contribute to combustion in a 4-stroke engine?
- Causing a more uneven and non-combustible air-fuel mixture
- Reducing the overall temperature of the combustion chamber
- Increasing the amount of residual exhaust gases in the combustion chamber
- Preventing the mixing of residual exhaust gases with the incoming air-fuel mixture (correct)
How does the scavenging process impact the power output of a 4-stroke engine?
How does the scavenging process impact the power output of a 4-stroke engine?
- By increasing the amount of residual exhaust gases in the combustion chamber
- By ensuring that the combustion chamber is filled with a fresh charge (correct)
- By causing incomplete combustion in the chamber
- By reducing the efficiency of the combustion process
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