Related Questions

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
In flue gas analysis by Orsat's apparatus, oxygen is absorbed by
A Potassium hydroxide
B Cuprous chloride
C Alkaline pyragllol solution
D None of these
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
A CO2
B N2
C O2
D CO
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
The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as
A Efficiency of the boiler
B Efficiency of the chimney
C Efficiency of the fan
D Power of the boiler
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
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is
A Divided by its molecular weight
B Multiplied by its molecular weight
C Multiplied by its density
D Multiplied by its specific weight
When incomplete combustion loss is high, the flue gas analysis shows large amount of
A CO2
B CO
C O2
D C
The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always
A 1
B > 1
C Unpredictable
Plants are efficient at acquiring carbon than are fungi , in the form of carbon dioxide, and converting it to sugars.
A at
B on
C more
D energy

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