Bennett Mechanical Comprehension Practice Test 2025 - Free Practice Questions and Review Guide

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Which instrument is used to measure a specific gas pressure?

Barometer

Thermometer

Manometer

The manometer is specifically designed to measure the pressure of gases. It operates on the principle of balancing the pressure of a gas against a column of liquid, making it effective for measuring both positive and negative pressures. This instrument can be used in a variety of applications, such as laboratories, HVAC systems, and industrial processes, where understanding gas pressure is essential for safe and efficient operation.

The barometer is primarily used to measure atmospheric pressure, not specific gas pressures. The thermometer is intended for measuring temperature, while the altimeter is designed to measure altitude by assessing changes in atmospheric pressure, making them unsuitable for direct measurement of specific gas pressure.

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Altimeter

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