An inventor proposes an engine that operates between the 27 deg c warm surface layer of the ocean and a 10 deg c layer a few meters down. the claim is that this engine can produce 100 kw at a flow of 20 kg/s. is this possible?

Engine not possible

Explanation:

source temperature T1 = 300 K

sink temperature T2= 283 K

therefore, carnot efficiency of the heat engine

η= 1- T_2/T_1

= 0.0566

= 5.66%

claims of work produce W = 100 kW,  mass flow rate = 20 kg/s

= 1421.2 kW

now

now

=7%

clearly, efficiency is greater than carnot efficiency hence the engine is not possible.

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explanation:

answer:

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