Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Oct-2001 - Nov-2016

Category > Engineering Posted 14 May 2018 My Price 4.00

index of expansion

Calculate the change of entropy of 1 kg of air expanding polytropically in a cylinder behind a piston from

6.3 bar and 550°C to 1.05 bar. The index of expansion is 1.3.

 

0.05 kg of carbon dioxide (molecular weight = 44) is compressed from 1 bar, 15°C, until the pressure is

8.3 bar, and the volume is then 0.004 m 3 . Calculate the change of entropy. Take c p for carbon dioxide as

0.88 kJ/kg K, and assume carbon dioxide to be a perfect gas.

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Maurice Tutor
(5)
Status NEW Posted 14 May 2018 02:05 PM My Price 4.00

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