# In a gasoline engine, fuel vapors are ignited by a spark. In a diesel engine, a fuel-air mixture...

## Question:

In a gasoline engine, fuel vapors are ignited by a spark. In a diesel engine, a fuel-air mixture is drawn in, then rapidly compressed to as little as 1/20 the original volume, in the process increasing the temperature enough to ignite the fuel-air mixture. Part A) Explain why the temperature rises during the compression.

## Statement on gasoline engine temperature rises during compression :

We are not really talking about any of the usual gas laws (Boyle's law, Charles's law, ideal gas equation, etc).

We are not really talking about any of the usual gas laws (Boyle's law, Charles's law, ideal gas equation, etc).

The temperature rises during the...

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