Q. In flame ionization detector, the ions collected on the negatively charged grid are amplified at the high impedance amplifier.

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Q. Which of the following methods make use of pyrolysis while used for detecting methane?

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Q. In flame ionization detectors, which of the following is the range adequate for atmospheric sampling?

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Q. Propane would give three times the intensity of response as compared to methane.

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Q. Which of the following organic compounds will have the highest intensity of response when introduced in a flame ionization detector?

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Q. How can carbon monoxide be detected using flame ionization detectors while using gas chromatography technique?

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Q. Flame ionization detectors are sensitive to which of the following gases?

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Q. Which of the following is the most abundant hydrocarbon which is emitted into the atmosphere by biological activity?

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Q. Which of the following methods cannot be used for the estimation of hydrocarbons?

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Q. CO analyzers based on infrared absorption would give greater sensitivity under which of the following conditions?

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Q. Hydrogen flame ionization detector can be used to detect only the peak of CO and not methane.

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Q. Which of the following is not a component of the mixture present in the reference cell of Non-dispersive infrared analyzer?

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Q. A stripper column used in gas chromatography, can be used to retain which of the following when an air sample is passed through it?

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Q. The disadvantage of Non-dispersive infrared analyzer is that the effect of flow rate is large.

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Q. The zero of the scale is calibrated using which of the following as the sample?

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Q. Non-dispersive infrared analyzer depends on the characteristic absorption of the CO molecule at a wavelength of __________

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Q. Which of the following are not the characteristics of Non-dispersive infrared analyzer method?

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Q. Which of the following is the full scale range of Gas chromatography method used for measurement of carbon monoxide?

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Q. Which of the following is the full scale range of Infrared spectroscopy method used for measurement of carbon monoxide?

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Q. West-Gaeke colorimetric method is used to analyse oxides of nitrogen.

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