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Old 21st Nov 2009, 18:21
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Firewalled
 
Join Date: Jun 2009
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Piston engine question

Hello all,

I was doing a bit of revising recently and instead of making things clearer, it made them muddier. What I can't understand is why a piston engine is said to be a constant volume engine. When the piston moves, dosn't volume vary? I tried reasoning it out with the gas laws, but that confused me even more

Cheers
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