11 grade physics others
In a diesel engine, the fuel is ignited by <
In a diesel engine, the fuel is ignited by
- A) Spark
- B) Injected fuel
- C) Heat resulting from compressing air that is supplied for combustion
- D) Ignition
1 Answer
Askiitians Tutor Team
Approved Tutor Answer1 Year agoIn a diesel engine, the fuel is ignited by:
Correct Answer
C) Heat resulting from compressing air that is supplied for combustion
How It Works
Diesel engines operate on the principle of compression ignition. Here’s a brief overview of the process:
- The air is compressed to a high pressure, which raises its temperature significantly.
- Once the air is hot enough, diesel fuel is injected into the combustion chamber.
- The heat from the compressed air ignites the fuel without the need for a spark plug.
Key Differences from Gasoline Engines
Unlike gasoline engines that use spark plugs for ignition, diesel engines rely solely on the heat generated from compression. This makes diesel engines more efficient and capable of producing more torque.
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