Certified Healthcare Safety Professional (CHSP) Practice Exam

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What instrument is commonly used to measure pressure?

Manometer
Barometer
Voltmeter
Hydrometer

The correct answer is: Manometer

The manometer is an instrument specifically designed to measure pressure. It operates on the principle of balancing the weight of a column of liquid against the pressure being measured, allowing for precise readings of gas or liquid pressure. This tool is widely used in various applications, including laboratory settings, industrial processes, and HVAC systems, to ensure that pressures fall within acceptable parameters. In contrast, the barometer measures atmospheric pressure and is primarily used in meteorology to predict weather changes. A voltmeter is utilized to measure electrical voltage, while a hydrometer measures the specific gravity or density of liquids. Each of these instruments serves a distinct purpose, making the manometer the appropriate choice when it comes to measuring pressure in general contexts.