Engineering Thermodynamics
The processes occurring in open system which permit the transfer of mass to and from the system, are known as

Flow processes
Non-flow processes
Adiabatic processes
None of the listed here

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Engineering Thermodynamics
According to First law of thermodynamics,

Work-done by a system is equal to the heat transferred by the system
Total internal energy of a system during a process remains constant
Total energy of a system remains constant
Internal energy, enthalpy and entropy during a process remain constant

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