Question

According to Kelvin-Planck's statement of second law of thermodynamics,

a.

it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work

b.

it is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work

c.

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

d.

none of the above

Answer: (a).it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work

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Q. According to Kelvin-Planck's statement of second law of thermodynamics,

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