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Q1 (a) Define, in words, the zeroth law of thermodynamics.

(b) Explain, in words, the concept of entropy and its connection to the second law of

thermodynamics.

(c) Identify and describe briefly four forms of heat transfer

[2/10 marks]

(e) Define, in words, the third law of thermodynamics.

[2/10 marks]

[2/10 marks]

(d) Give two reasons why the maximum feasible officiency of a cyclic heat power

plant cannot be achieved in practice.

[2/10 marks]

[2/10 marks]

Fig: 1