(1c) ( 3p) For compressors, we generally consider... (A) W=0. (B) ke=0. (C) Q>0. (D) pe =0. (E) None of the above. (1f) ( 3p) Which of the following statement(s) is/are correct for a transient flow device? (A) The mass within the control volume always remains constant. (B) The fluid properties do not change for different locations in a CV at a particular time instant. (C) The energy within the control volume always remains constant. (D) The mass flow rates are constant with respect to time. (E) All of the above