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An inventor invents a thermal engine that operates between ocean layers at 27°C and 10°C. It produces 10 kW and discharges 9900 kJ/min of heat. Such an enigne is
  • a)
    impossible
  • b)
    reversible
  • c)
    possible
  • d)
    probable
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
An inventor invents a thermal engine that operates between ocean layer...
Actual efficiency is more than the 2nd law efficiency which is impossible.
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Most Upvoted Answer
An inventor invents a thermal engine that operates between ocean layer...
Degrees Celsius and 5 degrees Celsius. The inventor claims that this engine can achieve a thermal efficiency of 30%.

To determine the validity of this claim, we can calculate the maximum possible thermal efficiency of the engine using the Carnot efficiency formula:

Carnot Efficiency = (T1 - T2) / T1

Where:
T1 = Temperature of the hot reservoir (in Kelvin)
T2 = Temperature of the cold reservoir (in Kelvin)

Converting the given temperatures to Kelvin:
T1 = 27 + 273 = 300 K
T2 = 5 + 273 = 278 K

Now we can calculate the Carnot efficiency:
Carnot Efficiency = (300 - 278) / 300 = 0.0733 or 7.33%

The calculated Carnot efficiency is significantly lower than the claimed thermal efficiency of 30%. This suggests that the inventor's claim may not be valid, as the Carnot efficiency represents the maximum possible efficiency for a heat engine operating between two given temperatures.
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An inventor invents a thermal engine that operates between ocean layers at 27°C and 10°C. It produces 10 kW and discharges 9900 kJ/min of heat. Such an enigne isa)impossibleb)reversiblec)possibled)probableCorrect answer is option 'A'. Can you explain this answer?
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