Alberta Boilers Safety Association (ABSA) Practice Test

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What is the purpose of a calorimeter in the context of flue gas?

To measure flow rates of gases
To analyze the composition of flue gases
To determine the temperature of combustion
To monitor pressure changes

The correct answer is: To analyze the composition of flue gases

The purpose of a calorimeter in the context of flue gas is to analyze the composition of flue gases. A calorimeter typically measures the heat of chemical reactions or the heat transfer of a substance, which is vital in understanding the efficiency of combustion processes. By analyzing the composition of flue gases, it allows operators to assess how completely the fuel is being burned, the presence of harmful emissions, and the overall effectiveness of the boiler system. This information is crucial for ensuring safety, optimizing performance, and adhering to environmental regulations. Other options, while relevant to different aspects of combustion and boiler operation, do not align with the specific role of a calorimeter. For instance, measuring flow rates pertains to anemometry, while temperature determination is handled by thermometers or thermocouples. Pressure changes are typically monitored through pressure gauges, not calorimeters. Understanding these distinctions highlights the unique function of a calorimeter in evaluating flue gas composition.