To provide accurate control under low-load conditions, the controlled device must be able to maintain stable flow at very low flow rates.Such a device is said to have good ____.

Question

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Rangeability refers to the ability of a control valve to maintain accurate control over a wide range of flow rates. A high rangeability means the valve can provide accurate control even at very low flow rates, making it suitable for low-load conditions.

To Provide Accurate Control Under Low-Load Conditions, the Controlled Device