Engineering Thermodynamics
During throttling process

Heat exchange does not take place
No work is done by expanding steam
There is no change of internal energy of steam
All of these

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Engineering Thermodynamics
Carnot cycle consists of

Two constant volume and two isentropic processes
One constant volume, one constant pressure and two isentropic processes
Two constant pressure and two isentropic processes
Two isothermal and two isentropic processes

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