Q. Changes in the composition of gas stream give rise to changes in thermal conductivity of the gas stream.

View solution

Q. Which of the following is the relationship between the density of ideal gas and its molecular weight?

View solution

Q. Under which of the following conditions do all real gases behave as ideal gases to some extent?

View solution

Q. Which of the following detectors are not used in analyzers based on gas density?

View solution

Q. When would the recorder indicate a zero base line in analyzers based on gas density?

View solution

Q. The use of thermistor eliminates the requirement for amplification.

View solution

Q. In analyzers based on gas density, the unbalance of the bridge is linearly proportional to which of the following?

View solution

Q. Which of the following bridges are used in analyzers based on gas density?

View solution

Q. In analyzers based on gas density, if the sample carries a gas having a higher density than the detector which of the following occurs?

View solution

Q. When hot-wires are used as detectors amplification is not required.

View solution

Q. Which of the following is the effective sample volume in analyzers based on gas density?

View solution

Q. Gases emit radiation under which of the following conditions which can be used for determination of gases?

View solution

Q. Which of the following measuring technique is utilized for measuring nitrogen?

View solution

Q. The characteristic emission of which colour, when discharge takes place in a low pressure chamber containing gas sample, will indicate the presence of nitrogen while using photospectrometer?

View solution

Q. Sample rates of nitrogen meter can be adjusted by doing which of the following?

View solution

Q. Which of the following is the normal sampling rate used in nitrogen meters?

View solution

Q. Nitrogen meters are calibrated for which of the following to measure nitrogen?

View solution

Q. Why is nitrogen meters generally not calibrated for dry gases while measuring nitrogen?

View solution

Q. In which of the following ways can nitrogen be calibrated for dry gases?

View solution

Q. The voltage required for striking the discharge in the presence of nitrogen is 1500V.

View solution