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Questions and Answers
What occurs during the power stroke of a compression ignition engine?
What occurs during the power stroke of a compression ignition engine?
- The burning gases expand and force the piston downwards (correct)
- The inlet valve opens just before reaching top dead centre
- The remaining exhaust gases are forced out through the open exhaust valve
- The exhaust valve opens to allow the gases to escape
What is a common problem for two-stroke cycle compression ignition engines?
What is a common problem for two-stroke cycle compression ignition engines?
- Lack of fuel injection
- Overheating of the exhaust system
- Excess combustion air
- Inadequate combustion air (correct)
How is the issue of inadequate combustion air addressed in two-stroke compression ignition engines?
How is the issue of inadequate combustion air addressed in two-stroke compression ignition engines?
- By increasing the compression ratio
- By adding more fuel injectors
- By installing a larger exhaust system
- By using superchargers and turbochargers for forced induction (correct)
What is a key difference between two-stroke compression ignition engines and two-stroke spark ignition engines?
What is a key difference between two-stroke compression ignition engines and two-stroke spark ignition engines?
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What happens just before the piston reaches the top dead centre position in a compression ignition engine?
What happens just before the piston reaches the top dead centre position in a compression ignition engine?
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