During the compression stroke of an internal combustion engine, waste gases are expelled the fuel mixture is pressurized the fuel is drawn into the cylinder the fuel is ignited

During the compression stroke of an internal combustion engine, the fuel mixture is pressurized.

Explanation:

An internal combustion engine is a four stroke engine where the complete rotation of crankshaft occurs by 4 simple steps or by up and downward movement of pistons. The four simple steps are termed as intake stroke, compression stroke, combustion or power stroke and exhaust stroke.

The first step is the intake stroke where the fuel is drawn into the cyclinder and the input valve is open for entering air and thus mixture of air-fuel will be produced in this stroke. The next step is the compression stroke where the air fuel mixture present in the cylinder is compressed or pressurized by closing the input and output valves.

The third step is combustion stroke where the fuel gets ignited by the spark plug and the last step is exhaust stroke where the waste gases are expelled. So for this case, during compression stroke of an internal combustion engine, fuel mixture is pressurized.

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