Orsat apparatus__________________?
Correct answer: C. All A., B. & C.
- A. Gives flue gas analysis on dry basis
- B. Determines N2 in flue gas indirectly
- C. All A., B. & C.
- D. Can't determine CO in flue gas, if it is < 0.2%
Explanation
An Orsat analyser measures flue-gas components on a dry basis, obtains nitrogen by difference, and has limited sensitivity for very small CO concentrations. Therefore, all three statements are accepted.
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