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MMLU-Pro / 11449 / The air used for the combustion of a hydrocarbon was suppliedat 25°C and…

Problem

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question

The air used for the combustion of a hydrocarbon was suppliedat 25°C and 100kPawith a relative humidity of 48%. Determine (a) the carbon / hydrogen ratio of the fuel on amass basis and (b) the percent theoretical air employed in thecombustion process, if an analysis of the products of combustionyields the following volumetric composition on a drybasis: CO_2 - - 13.0%; O_2 - - 3.1%; CO - - 0.3%.N_2 - - 83.6%

category

engineering

options

  1. Carbon / Hydrogen ratio: 7.67, Theoretical air percentage: 125.3%
  2. Carbon / Hydrogen ratio: 5.67, Theoretical air percentage: 120.3%
  3. Carbon / Hydrogen ratio: 6.67, Theoretical air percentage: 110.3%
  4. Carbon / Hydrogen ratio: 6.17, Theoretical air percentage: 100.3%
  5. Carbon / Hydrogen ratio: 6.67, Theoretical air percentage: 115.3%
  6. Carbon / Hydrogen ratio: 7.67, Theoretical air percentage: 90.3%
  7. Carbon / Hydrogen ratio: 7.17, Theoretical air percentage: 110.3%
  8. Carbon / Hydrogen ratio: 5.67, Theoretical air percentage: 105.3%
  9. Carbon / Hydrogen ratio: 8.67, Theoretical air percentage: 95.3%
  10. Carbon / Hydrogen ratio: 4.67, Theoretical air percentage: 130.3%

src

stemez-Thermodynamics

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