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Mashutka [201]
2 years ago
13

Which of the following characteristics would not give animals an advantage in the ocean?

Engineering
1 answer:
Taya2010 [7]2 years ago
3 0
I believes it’s long body hair
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An inventor claims to have developed a refrigerator that at steady state requires a net power input of 1.1 horsepower to remove
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Answer:

The inventor's claim is false in the sense that no thermal machine can violate the first thermodynamic law.

Explanation:

The inventor's claim could not be possible as no thermal machine can transfer more heat than the input work consumed. If we expose the thermal efficiency:

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Therefore by comparing, we notice that the removing heat of 4.75 hp is large than the delivered work of 1.11 hp. By evaluating the efficiency:

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An aluminum oxide component must not fail when a tensile stress of 12.5 MPa is applied. Determine the maximum allowable surface
aivan3 [116]

Answer:

1.44 mm

Explanation:

Compute the maximum allowable surface crack length using

C=\frac {2E\gamma}{\pi \sigma_c^{2}} where E is the modulus  of elasticity, \gamma is surface energy and \sigma_c is tensile stress

Substituting the given values

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The maximum allowable surface crack is 1.44 mm

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