Why cannot the Carnot’s engine be realised in practice?
Why cannot the Carnot’s engine be realised in practice?
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Because of the following reasons
(i) The main difficulty is that the cylinder should come in contact with the source,sink and stand again and again over a complete cycle which is very difficult to achieve in practice.
(ii) The working substance should be an ideal gas however no gas fulfils the ideal gas behaviour.
(iii) A cylinder with a perfectly frictionless piston cannot be realised
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