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1. |
A sample of natural gas containing 80% methane (CH‚ÇÑ) and rest nitrogen (N‚ÇÇ) is burnt with 20% excess air. With 80% of the combustibles producing CO‚ÇÇ and the reminder going to CO, the Orsat analysis in volume percent is$? |
A. | CO‚ÇÇ : 6.26, CO : 1.56, O‚ÇÇ : 3.91, H‚ÇÇO :15.66, N‚ÇÇ : 72.60 |
B. | CO‚ÇÇ : 7.42, CO : 1.86, O‚ÇÇ : 4.64, N‚ÇÇ:86.02 |
C. | CO‚ÇÇ : 6.39, CO : 1.60, O‚ÇÇ : 3.99, H‚ÇÇO:25.96, N‚ÇÇ:72.06 |
D. | CO‚ÇÇ : 7.60, CO : 1.90, O‚ÇÇ : 4.75, N‚ÇÇ : 85.74 |
Answer» C. CO‚Äö√á√á : 6.39, CO : 1.60, O‚Äö√á√á : 3.99, H‚Äö√á√áO:25.96, N‚Äö√á√á:72.06 | |