18. What is the simplest way to define the exergy destruction rate _____________

Question

18. What is the simplest way to define the exergy destruction rate ___________________

___________________________________________________________________________

19. In addition to isentropic compression and expansion the air standard Diesel cycle has

(a) constant pressure heat addition and constant pressure heat rejection

(b) constant volume heat addition and constant volume heat rejection

(c) constant pressure heat addition and constant volume heat rejection

(d) constant volume heat addition and constant pressure heat rejection

20. In addition to isentropic compression and expansion the air standard Otto cycle has

(a) constant pressure heat addition and constant pressure heat rejection

(b) constant volume heat addition and constant volume heat rejection

(c) constant pressure heat addition and constant volume heat rejection

(d) constant volume heat addition and constant pressure heat rejection

Explanation / Answer

19) Answer is option (c) constant pressure heat addition and constant volume heat rejection

20) Answer is option (b) constant volume heat addition and constant volume heat rejection

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