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

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

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Engineering Thermodynamics
According to First law of thermodynamics,

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

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