Explain briefly the purpose of conducting a laboratory point load test? what is the main parameter obtained from this test? what are the advantages of doing a point load test?

Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.

Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.

How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?