A. Gives flue gas analysis on dry basis
B. Determines N2 in flue gas indirectly
C. Can’t determine CO in flue gas, if it is < 0.2%
D. All A., B. & C.
Related Mcqs:
- In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?
A. Cuprous chloride
B. Potassium hydroxide
C. Alkaline pyrogallol solution
D. None of these - Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in_____________________?
A. KOH
B. Ammoniacal cuprous chloride
C. Pyrogallol solution
D. None of these - A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is_________________?
A. CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60
B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02
C. CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2:72.06
D. CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74 - In Orsat’s apparatus, ammoniacal cuprous chloride is used for selectivity absorbing________________?
A. CO
B. CO2
C. O2
D. H2O - KOH solution used in Orsat apparatus absorbs____________________?
A. CO2
B. SO2
C. Both A. & B.
D. Neither A. nor B. - In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by______________________?
A. Potassium hydroxide
B. Dilute potassium carbonate
C. Cuprous chloride
D. Alkaline pyrogallol solution - In flue gas analysis by Orsat’s apparatus, oxygen is absorbed by____________________?
A. Potassium hydroxide
B. Cuprous chloride
C. Alkaline pyrogallol solution
D. None of these - If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as___________________?
A. O2
B. CO
C. N2
D. SO2 - The sequence of absorption in flue gas analysis by Orsat’s apparatus is respectively_______________________?
A. CO2, O2, CO
B. CO, O2, CO2
C. CO2, CO, O2
D. O2, CO2, CO - Orsat apparatus is meant for ___________________?
A. Gravimetric analysis of flue gas
B. Finding out combustion efficiency
C. Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride
D. None of these
