Ambetronics Engineers Customer Service Executive Interview Questions and Answers

Gas detectors should be strategically placed in areas where gas leaks are most likely to occur.

• Gas detectors should be placed near potential gas leak sources such as gas pipelines, valves, and storage tanks.

• They should also be placed in areas where gas can accumulate such as low-lying areas and confined spaces.

• The number of gas detectors required depends on the size of the area and the potential hazards.

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Density of gases varies based on their molecular weight and temperature.

• Density is measured in kg/m³ or g/L.

• At standard temperature and pressure (STP), the density of air is 1.2 kg/m³.

• The density of helium is much lower than air, at 0.1785 kg/m³.

• The density of carbon dioxide is higher than air, at 1.98 kg/m³.

• The density of hydrogen is much lower than air, at 0.0899 kg/m³.