FOUR STROKES VOCABULARY

						1
					2


			3
	4
5

				6


		7

Across

2. Phase during which the piston moves up and forces the burned gases toward the exhaust valve.

5. Stroke during which the piston rises, compressing the air, which becomes heated under the pressure.

6. Phase during which the exhaust valve opens and the piston comes down and draws the air/fuel mixture into the combustion chamber.

7. Fuel ignites immediately when it is injected into the hot air at very high pressure.

Down

1. Device pulverizing the fuel in the combustion chamber.

3. Air enters the combustion chamber.

4. Stroke during which the expansion of the burning gases pushes the piston downward.

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