Some skin divers go as deep as 50m what is the gage


1.Some skin divers go as deep as 50m. What is the gage pressure at this depth in fresh water, and what is the ratio of the absolute pressure at this depth to normal atmospheric pressure? assume T=20 degreescelcius

2.Calculate the rate of entropy change for each component of a refrigerator that uses 10 kW power, rejects 14 kW heat and has a high temperature reservoir at 400 K and a low temperature reservoir at 200 K.

a. What is the rate of cooling for the refrigerator?

b. Is the refrigerator completely reversible? Explain.

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Civil Engineering: Some skin divers go as deep as 50m what is the gage
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