(1d). Circle the invalid statement (s) regarding a steady-flow device. (A) The mass within the control volume always remains constant (B) The energy within the control volume always remains constant

(C) The fluid properties may change with location over the cross section of the inlets or exits. (D) The fluid flow at any point of any inlet and exit must be uniform and steady and the fluid properties do not change with time or location over the cross section of an inlet or exit. (E) None of the above