Air at 10°c enters a 12-cm-diameter and 5-m-long pipe at a rate of 0.065 kg/s. the inner surface of the pipe has a roughness of 0.22 mm, and the pipe is nearly isothermal at 50°c. determine the rate of heat transfer to air using the nusselt number relation given by (a) eq. 8–66 and (b) eq. 8–71. evaluate air properties at a bulk mean temperature of 20°c. is this a good assumption?

answer:

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explanation:

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.

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Explanation:

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