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Which of the following is an inferential type of flow meter

Which of the following is an inferential type of flow meter Correct Answer Rotameter

Explanation:

Inferential  flow meter:

Inferential flow meters measure the rate of flow, and a mechanism must be added to them which 'integrates' this rate, in order that total flow can be measured. On the other hand, direct or non-inferential meters (i.e. the positive displacement type of meter) do in fact measures true total flow - not flow rate. Therefore,

Types of flow meters are divided into two functional groups:

1. One measures quantity (Positive Displacement)

2. The other measures rate of flow (Inferential)

​​Some of the more common positive displacement meters are:

1. Weighers

2. Reciprocating Piston

3. Rotating Piston

Inferential type flow meter (Rate Meter):

1. Orifice Plate

2. Flow Nozzles & Venturi Tubes

3. Swirl meters, Vortex Shedding Meters, Rotameters, Mass Flow Meters.

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