Steam at 40 bars and 280 c is cooled in a constant volume container to state of 9 bars. the heat removed from the steam enters into environment at 15 c. determine the change of entropy of steam. discuss the obtained value.

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

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

To design a steam turbine to produce 12,000 hp power. a engineer comsiders using a steady state stean low st 1160fr and engineer considers using a steady state steam flow at 1160°r and 450 psia to drive this steam turbine. the exhaust of the steam is cooled by the lake (vacuum). heat losing to the surroundings is measured at a rate of 555.55 btu/s. (a) sketch the system with the given conditions. (b) neglecting kinetic and potential energy changes from inlet to exit, determine the volumetric flow rate of the steam at the inlet, (ft'/hr). must clearly show unit conversions at crtical terms.