A. Oxygen
B. Oxides of nitrogen
C. Carbon dioxide
D. Any of these
Related Mcqs:
- 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 - Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic ?
A. CO2
B. O2
C. NO
D. NO2 - Thermal conductivity measurement is used for the determination of________________?
A. O2 percentage in the flue gas
B. Specific gravity of petrofuels
C. Composition of an alloy
D. CO2 percentage in the flue gas - Flame photometry is used for the determination of compositional analysis of_______________?
A. Solids
B. Alkali metals
C. Natural gas
D. Isotopes - Zirconia probe is used for the continuous measurement of ______________ flue gases going out of the furnace?
A. Oxygen in
B. Carbon dioxide in
C. Carbon monoxide in
D. Temperature of - Change of angle of refraction with composition comprises the working principle of a___________________?
A. Polarimeter
B. Polarograph
C. Spectrometer
D. Refractometer - Composition of alloys can be determined by _________________?
A. Polarograph
B. Chromatograph
C. Refractometer
D. None of these - Which of the following is not a composition measuring instrument ?
A. Thermal conductivity cell
B. Mass spectrometer
C. Polarograph
D. Hot wire anemometer - Mass spectrometer is used for the composition analysis of____________________?
A. Alloys
B. Solids
C. Isotopes
D. None of these - Composition of natural gas is determined by the_________________?
A. Haldane apparatus
B. Mass spectrometer
C. Chromatograph
D. Both B. and C.
