A. O2 percentage in the flue gas
B. Specific gravity of petrofuels
C. Composition of an alloy
D. CO2 percentage in the flue gas
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 - Thermal conductivity measurement com-prises the working principle of a_________________?
A. CO2 analyser
B. Polarimeter
C. Spectrometer
D. Chromatograph - Thermal conductivity cell is the primary element of a/an _____________ analyser?
A. Oxygen
B. Carbon dioxide
C. Carbon monoxide
D. Sulphur dioxide - Pirani gauge is used for the measurement of________________?
A. Very high pressure
B. High vacuum
C. Liquid level under pressure
D. Liquid level at atmospheric pressure - Thermal wells are used in the temperature measurement to____________________?
A. Guard against corrosive and oxidising action on thermocouple materials
B. Reduce measuring lag
C. Increase the fidelity
D. Increase the sensitivity - Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion ?
A. Nickel
B. Brass
C. Chromel
D. Invar - Paramagnetism method is not used for the composition determination of ______________ in gases?
A. Oxygen
B. Oxides of nitrogen
C. Carbon dioxide
D. Any of these - Flame photometry is used for the determination of compositional analysis of_______________?
A. Solids
B. Alkali metals
C. Natural gas
D. Isotopes - With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer ?
A. Increases
B. Decreases
C. Remain constant
D. Increases exponentially - Gas chromatography is used for the measurement of ________________?
A. Temperature
B. Pressure
C. Concentration
D. Flow rate
