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NAS
NAS asked in Cars & TransportationMaintenance & Repairs · 1 decade ago

This is a hard mechanical question which didn't make sense to me... Please help me...?

Consider a modern engine design with a relatively high 9 to 1 compression ratio. Which of the following statements would most likely to be FALSE?

a. The cylinder volume with the piston a bottom dead center (BDC) is 9 times the volume at top dead center (TDC).

b. At TDC the pistons are very close to the head, and manyhave indentations to keep them from striking the valves.

c. switching from high octane to low octane fuel may cure a detonation problem.

7 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    C is incorrect. B is correct. A sounds right too!

  • Anonymous
    1 decade ago

    C is the only false answer.

  • denbobway
    Lv 4
    1 decade ago

    a

  • Bullfrog21
    Lv 6
    1 decade ago

    c. is definitely False

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  • spraymonkey001
    Lv 6
    1 decade ago

    the answer is C it's not that hard man they're trying to trick you

  • ronnie b
    1 decade ago

    c

  • zack
    1 decade ago

    its a

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