1. Intake Stroke: This is the first step in the operation of a 4-stroke internal combustion engine. During this stroke, the piston moves down the cylinder while the intake valve opens to allow a mixture of fuel and air to fill the combustion chamber.

2. Compression Stroke: This is the second step. The intake valve closes and the piston moves back up the cylinder, compressing the fuel-air mixture. This increases the potential energy in the gas, which will lead to a more powerful explosion.

3. Power Stroke: This is the third step. The spark plug ignites the compressed fuel-air mixture, causing an explosion. This forces the piston down the cylinder, which turns the crankshaft and provides power to the vehicle.

4. Exhaust Stroke: This is the final step. The exhaust valve opens and the piston moves back up the cylinder, pushing out the exhaust gases created from the ignition of the fuel-air mixture. Once the exhaust gases are expelled, the exhaust valve closes, the intake valve opens, and the process starts again with the intake stroke.

Question

1. Intake Stroke: This is the first step in the operation of a 4-stroke internal combustion engine. During this stroke, the piston moves down the cylinder while the intake valve opens to allow a mixture of fuel and air to fill the combustion chamber.

2. Compression Stroke: This is the second step. The intake valve closes and the piston moves back up the cylinder, compressing the fuel-air mixture. This increases the potential energy in the gas, which will lead to a more powerful explosion.

3. Power Stroke: This is the third step. The spark plug ignites the compressed fuel-air mixture, causing an explosion. This forces the piston down the cylinder, which turns the crankshaft and provides power to the vehicle.

4. Exhaust Stroke: This is the final step. The exhaust valve opens and the piston moves back up the cylinder, pushing out the exhaust gases created from the ignition of the fuel-air mixture. Once the exhaust gases are expelled, the exhaust valve closes, the intake valve opens, and the process starts again with the intake stroke.

Knowee AI · Accepted Answer

1. Intake Stroke: This is the first step in the operation of a 4-stroke internal combustion engine. During this stroke, the piston moves down the cylinder while the intake valve opens to allow a mixture of fuel and air to fill the combustion chamber.

2. Compression Stroke: This is the second step. The intake valve closes and the piston moves back up the cylinder, compressing the fuel-air mixture. This increases the potential energy in the gas, which will lead to a more powerful explosion.

3. Power Stroke: This is the third step. The spark plug ignites the compressed fuel-air mixture, causing an explosion. This forces the piston down the cylinder, which turns the crankshaft and provides power to the vehicle.

4. Exhaust Stroke: This is the final step. The exhaust valve opens and the piston moves back up the cylinder, pushing out the exhaust gases created from the ignition of the fuel-air mixture. Once the exhaust gases are expelled, the exhaust valve closes, the intake valve opens, and the process starts again with the intake stroke.

Match each step of the operation of a 4-stroke internal combustion engine with its description: Group of answer choicesIntake StrokeCompression StrokePower StrokeExhaust Stroke

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