Arkansas Boiler Operator Practice Exam

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What device is used to monitor boiler pressure?

Temperature gauge
Manometer
Pressure gauge
Flow meter

The correct answer is: Pressure gauge

The pressure gauge is the correct answer because it is specifically designed to measure the pressure of the steam or water within a boiler system. This device provides a direct reading of pressure and is essential for ensuring that the boiler operates within its safe working limits. Maintaining proper pressure is crucial because it affects the boiler's efficiency, performance, and safety. On the other hand, a temperature gauge measures the temperature of the steam or water, which, while important, does not directly indicate pressure levels. A manometer typically measures pressure in a different context, mainly for gases or in laboratory settings, and is not commonly used to monitor the pressure within standard boiler systems. A flow meter measures the flow rate of the fluid moving through the system, which does not provide information about pressure. Thus, the pressure gauge stands out as the appropriate instrument for monitoring boiler pressure.