Q. If the oxygen content is greater than 21%, which of the following gases must be used to set the span point?

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Q. Which of the following does not occur in Hartman and Braun oxygen analyzer based on the magnetic wind?

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Q. Which of the following is not a cause of the error that could occur in Hartman and Braun oxygen analyzer based on the magnetic wind?

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Q. Hydrocarbons need to be removed from the sample gas to avoid errors in Hartman and Braun oxygen analyzer.

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Q. Magnetic wind analyzers are also known as which of the following?

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Q. In OXYMAT-M oxygen analyser which of the following is usually used as reference gas?

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Q. Which of the following is used in magnetic wind instruments to determine the amount of oxygen?

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Q. Which of the following concepts are not used in magnetic wind instruments?

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Q. How are the hydrocarbons in the samples removed in magnetic wind instruments?

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Q. Which of the following bridges are used in magnetic wind instruments?

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Q. The extremely high inertia of the thin membrane in the oxygen sensor allows it to rapidly attain equilibrium.

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Q. Which of the following is not true about the galvanic method of oxygen analysis?

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Q. Which of the following is true about Hersch cell which is one of the arrangements of a galvanic cell?

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Q. Polarographic cells type of electrochemical method uses which of the following concepts?

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Q. Which of the following methods, is the widely used method for trace gas analysis?

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Q. In the conductometric method, the difference in gas conductivity before and after passing sample gas denotes which of the following?

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Q. Conductometric method is not very suitable for measuring traces of which of the following gases in ppb range?

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Q. Polarographic cells are not sensitive to which of the following gases?

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Q. In polarographic cell when potential is applied, oxygen is reduced at __________ when KCl is present.

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Q. Polarographic cells are used to measure the partial pressure of gases only in static gas monitoring systems and not in continuous streams.

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