Questions: Listen During which stage of engine operation does the burning mixture of air and fue force the piston downward? A) Intake B) Exhaust C) Compression D) Power

Listen During which stage of engine operation does the burning mixture of air and fue force the piston downward? A) Intake B) Exhaust C) Compression D) Power
Transcript text: Listen During which stage of engine operation does the burning mixture of air and fue force the piston downward? A) Intake B) Exhaust C) Compression D) Power
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Solution

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Solution Steps

Step 1: Understanding the Question

The question asks during which stage of engine operation the burning mixture of air and fuel forces the piston downward. This is a fundamental concept in the operation of internal combustion engines.

Step 2: Reviewing the Stages of Engine Operation

An internal combustion engine typically operates in four stages:

  1. Intake: The intake valve opens, and the piston moves downward, drawing a mixture of air and fuel into the cylinder.
  2. Compression: The intake valve closes, and the piston moves upward, compressing the air-fuel mixture.
  3. Power: The compressed air-fuel mixture is ignited by a spark plug, causing an explosion that forces the piston downward.
  4. Exhaust: The exhaust valve opens, and the piston moves upward again, expelling the burnt gases from the cylinder.
Step 3: Identifying the Correct Stage

From the review, it is clear that the stage where the burning mixture of air and fuel forces the piston downward is the Power stage.

Final Answer

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