- Chemical Engineering Basics - Section 1
- Chemical Engineering Basics - Section 2
- Chemical Engineering Basics - Section 3
- Chemical Engineering Basics - Section 4
- Chemical Engineering Basics - Section 5
- Chemical Engineering Basics - Section 6
- Chemical Engineering Basics - Section 7
- Chemical Engineering Basics - Section 8
- Chemical Engineering Basics - Section 9
- Chemical Engineering Basics - Section 10
- Chemical Engineering Basics - Section 11
- Chemical Engineering Basics - Section 12
- Chemical Engineering Basics - Section 13
- Chemical Engineering Basics - Section 14
- Chemical Engineering Basics - Section 15
- Chemical Engineering Basics - Section 16
- Chemical Engineering Basics - Section 17
- Chemical Engineering Basics - Section 18
- Chemical Engineering Basics - Section 19
- Chemical Engineering Basics - Section 20
- Chemical Engineering Basics - Section 21
- Chemical Engineering Basics - Section 22
- Chemical Engineering Basics - Section 23
- Chemical Engineering Basics - Section 24
- Chemical Engineering Basics - Section 25
- Chemical Engineering Basics - Section 26
- Chemical Engineering Basics - Section 27
- Chemical Engineering Basics - Section 28


Chemical Engineering Basics - Engineering
Q1: The instrument based on the following principle is used for the measurement of oxygen only in the flue gases.A Chemical absorption.
B Thermal conductivity.
C Infrared absorption.
D Paramagnetism
ANS:D - Paramagnetism The instrument used for the measurement of oxygen only in flue gases is based on the principle of paramagnetism. Paramagnetic oxygen analyzers operate on the principle that oxygen molecules are paramagnetic, meaning they are weakly attracted to a magnetic field. In these analyzers, a sample of the flue gas is drawn into a measurement chamber where it is exposed to a magnetic field. Oxygen molecules in the gas are attracted to the magnetic field, causing a change in the gas's magnetic susceptibility. This change is detected and correlated with the oxygen concentration in the flue gas. Paramagnetic oxygen analyzers offer high accuracy and sensitivity for measuring oxygen concentrations in flue gases. They are commonly used in industrial applications such as combustion processes, exhaust gas monitoring, and environmental emissions monitoring. Therefore, the correct answer is Paramagnetism. |


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