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vera_ewing

  • one year ago

During which stroke of a four-stroke internal combustion engine is work done by the system of gases? A. Intake stroke B. Power stroke C. Compression stroke D. Exhaust stroke

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  1. vera_ewing
    • one year ago
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    @Dragondd320 Help please!

  2. vera_ewing
    • one year ago
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    @Australopithecus Help please!

  3. anonymous
    • one year ago
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    I am pretty sure this is just a rewording of the last question. Because the work done in a four-stroke engine by the gases comes in during the power stroke, as the combustion of those gases is what forces the piston back up.

  4. anonymous
    • one year ago
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    If it said "which is the stroke where work is done ON the system of gases" , the answer would most likely be compression. But I am pretty sure this is just a rewording of the previous question.

  5. anonymous
    • one year ago
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    Something that may help you visualize the problem or assist in later questions is this: https://www.grc.nasa.gov/WWW/k-12/airplane/engopt.html

  6. vera_ewing
    • one year ago
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    So you think the answer is B?

  7. anonymous
    • one year ago
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    Yes

  8. vera_ewing
    • one year ago
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    Thank you!

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