Chemical Engineering Thermodynamics
Which of the following processes can not be made reversible even under ideal condition of operation?

All of these
Expansion of steam in a turbine
Compression of air in a compressor
Free expansion of a gas

ANSWER DOWNLOAD EXAMIANS APP

Chemical Engineering Thermodynamics
It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

The amount of work needed is independent of path
More information is needed to conclude anything about the path dependence or otherwise of the work needed
The amount of work needed is path dependent
Work alone can not bring out such a change of state

ANSWER DOWNLOAD EXAMIANS APP