List five types of air movers 2. In any given system, if you keep an axial fan\'

Question

List five types of air movers 2. In any given system, if you keep an axial fan's size constant and double the rotational speed, how does the pressure rise across the fan change? In any given system, if you keep an axial fan's size constant and double the rotational speed, how does the flow rate for the fan change? 3. 4. If you double an axial fan's size (geometrically similar/scaled equally in all dimensions) and keep the rotational speed constant, the fan's flow rate in free air: a. Increases by a factor of 2 b. Increases by a factor of 4 c. Increases by a factor of 6 d. Increases by a factor of 8 e. Remains unchanged

Explanation / Answer

Five basic types of Air movers are as follows.

1.Aerodynamic Compressors

There are two types of aerodynamic compressers

a. Axial

b. Radial

2.Fans

3.Roots(positive displacement compressor)

4.sliding vane rotary compressor

5.Rotary screw compressor.

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