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How much is the average temperature at depth of 10 km of earth surface?

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in Energy Engineering by (91.0k points)
How much is the average temperature at depth of 10 km of earth surface?

(a) 200^oC

(b) 900^oC

(c) 650^oC

(d) 20^oC

I have been asked this question in final exam.

Origin of the question is Geothermal Energy in chapter Ocean Energy & Geothermal Energy of Energy Engineering

1 Answer

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Best answer
The correct answer is (a) 200^oC

To elaborate: The heat is apparent from the increase in temperature of the earth with increasing depth below the surface. Although higher and lower temperature occurs, the average temperature at depth of 10 km is about 200^oC.

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