A pitot tube and gauge are used to do what?

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Multiple Choice

A pitot tube and gauge are used to do what?

Explanation:
A pitot tube measures air flow by sensing the pressure difference between stagnation (total) pressure and static pressure to derive velocity, which is then used with the duct area to calculate the actual flow rate. This makes it ideal for taking a flow reading in ventilation systems. Humidity, water quality, and chemical concentration require different instruments (hygrometers for moisture, water testing kits for quality, and detectors for chemicals), so the pitot tube isn’t used for those tasks.

A pitot tube measures air flow by sensing the pressure difference between stagnation (total) pressure and static pressure to derive velocity, which is then used with the duct area to calculate the actual flow rate. This makes it ideal for taking a flow reading in ventilation systems. Humidity, water quality, and chemical concentration require different instruments (hygrometers for moisture, water testing kits for quality, and detectors for chemicals), so the pitot tube isn’t used for those tasks.

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