Q. If the oxygen content is not greater than 21%, which of the following gases must be used to set the span point?

View solution

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

View solution

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

View solution

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?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution