According to their k values, which material is a better insulator: expanded polystyrene or expanded polyurethane?

What will be an ideal response?


Polyurethane is a better insulator because it has a lower k-factor.

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A commercial kitchen with more than six pieces of kitchen equipment is subject to a demand factor of _____.

a. 40% b. 50% c. 65% d. 85%

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What is a cable tray?

What will be an ideal response?

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Alcohols, methane and organic acids of various kinds often accumulate as a result of ________ decomposition of residues in soil

A) anaerobic B) nitrogen-limited C) abiotic D) acidic E) fungal

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Refer to the figure. For a pipe diameter of 2", find the f-f length of the spool piece J if 1/8" gaskets are used.

Fill in the blank(s) with the appropriate word(s).

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