Engineering Thermodynamics
During throttling process

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

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Engineering Thermodynamics
Extensive property of a system is one whose value

Depends on the mass of the system like volume
Is dependent on the path followed and not on the state
Is not dependent on the path followed but on the state
Does not depend on the mass of the system, like temperature, pressure, etc.

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