Dissolved Oxygen Analyzer Questions and Answers

Dissolved Oxygen Analyzer Questions and Answers 1. Which of the following transducers must be used for dissolved oxygen analyser? a) Potentiometric b) Polarographic c) Ion-selective electrode d) Optical transducer Answer:…

Thermal Conductivity Analyzers Questions & Answers

Thermal Conductivity Analyzers Questions & Answers 1. Thermal conductivity analyzers cannot be used in which of the following measurements? a) Hydrogen in blast furnace gases b) Determination of argon in…

Infrared Gas Analyzers Questions & Answers

Infrared Gas Analyzers Questions & Answers 1. Which of the following is not a detector used in mid Infrared Spectrophotometer? a) Thermopile b) Thermistor c) Pyroelectric cell d) Golay cell…

H2S Analyzers Questions & Answers

H2S Analyzers Questions & Answers 1. Which of the following is not an advantage of electrochemical cells used for analysis of H2S? a) Portable battery operated instrument b) Pocket sized…

NO2 Analyzer Questions & Answers

NO2 Analyzer Questions & Answers 1. Nitrogen dioxide can be detected with a paramagnetic analyzer. a) True b) False Answer: a Explanation: Nitrogen dioxide can be detected with a paramagnetic…

Electrochemical Methods for Oxygen Analysis Questions & Answers

Electrochemical Methods for Oxygen Analysis Questions & Answers 1. Which of the following is not true about the galvanic method of oxygen analysis? a) Electrodes are composed of noble and…

Paramagnetic Oxygen Analyzers Questions & Answers

Paramagnetic Oxygen Analyzers Questions & Answers 1. Which among the following gases have diamagnetic property (ability to be repelled by magnetic fields)? a) Oxygen b) Nitrogen c) Nitrogen dioxide d)…

Amino-Acid Analyzers Questions & Answers

Amino-Acid Analyzers Questions & Answers 1. What is the drawback that occurs in using ion exchange chromatography on sulphonated polystyrene resin and colourimetry for amino-acid analysis? a) Less accuracy b)…

pH Meters Questions & Answers

pH Meters Questions & Answers 1. pH meters can be considered as voltage sources with which of the following internal resistances? a) Very low resistance b) Moderate resistance c) Very…

Combination Electrode Questions & Answers

Combination Electrode Questions & Answers 1. In combination electrode, which of the following electrodes are built together? a) Primary electrode, secondary reference electrode b) Primary reference electrode, glass electrode c)…