Calculate the clean bed head loss for the given conditions: temperature = 10 °c, flow rate = 4 mm/s, media is sand with sphericity of 0.8, fixed bed porosity of 0.43 and total depth = 0.90 m. use kozeny equation, but check to ensure that the reynold’s number is acceptable. assume uniform porosity with depth (a good assumption) and thus, the depth of each layer is proportional to the weight fraction.

explanation:

which ordered pair is not in the solution

y > -1/2x + 5

y ≤ 3x - 2

a) (5,3) b) (4,3)

c) (3,4) d) (4,4)

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One of the benefits of working with chlorinated polyvinyl chloride (CPVC) pipe is that it can be cut with a variety of different tools that don’t require any electricity or heat. However, different cutting methods are preferred over others, depending on the application.

When cutting CPVC pipe, it is important to make a square, flat cut. An uneven cut limits the bonding area and weakens the fitting.

To help you make the best possible cut, we’ve put together the following dos and don’ts when cutting CPVC pipe in different situations.

Deez nut

Explanation: