Technician A says that primer surface will dry faster if it is sprayed in several coats with flash time between each coat. Technician B says that there will be better adhesion if several coats are applied in just one application, then allowed to dry for several hours. Who's right?

Water vapor initially at 10 bar and 400 °c is contained within a piston-cylinder assembly. the water lost heat to the surrounding according to isochoric (iso-volumetric) process until its temperature is 150 °c. the water is then condensed isothermally to saturated liquid. for the water as a system, calculate the work in kj/kg