1) What happens when the piston reaches the top in a four-stroke engine? a) The spark plug ignites the fuel b) The water jacket cools down c) The exhaust is released 2) What creates heat as the piston moves up and down? a) Friction b) Exhaust c) Water jacket 3) What is the role of the water jacket in a four-stroke engine? a) It ignites the fuel b) It cools down the engine c) It creates friction 4) When does the exhaust gas exit the engine in a four-stroke cycle? a) During the compression stroke b) During the intake stroke c) During the exhaust stroke 5) What happens when the spark plug ignites the fuel in the engine? a) The piston moves up b) The exhaust is released c) The water jacket cools down

Four-Stroke Engine Operation Quiz (based on the British Council Learn English video: Education Scene 1)

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