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Mechanical Engineering - Thermodynamics - Discussion

Discussion Forum : Thermodynamics - Section 2 (Q.No. 1)
Thermodynamics
1.
According to Kelvin-Planck's statement of second law of thermodynamics,
it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
it is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
it is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a cold body to a hot body
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.
Robin parihar said:   9 years ago
Impossible to make an engine whose efficiency is 100%.
Malli said:   1 decade ago
It is impossible because of have a single reservoir.
Nikhil said:   9 years ago
According to me, the correct answer is c.
Mano said:   8 years ago
I think the answer is C.
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