1 (I) Comparison in T-S Two cyclic processes are shown in figure 1 (FIGURE P8-1

Question

1 (I) Comparison in T-S Two cyclic processes are shown in figure 1 (FIGURE P8-1 from the extra section on entropy). The temperatures T1 and T2 are the same in each. The S scale is the same for each (i.e. the same length of line in each graph represents the same change in entropy).

(a) Identify the adiabatic and isothermal processes in cycle A and cycle B.

(b) In which cycle is more heat transferred? More work done?

(c) Which cycle is a more ecient heat engine? How does the efficiency compare to the Carnot cycle running between the same T1 and T2?

figure :   http://oi42.tinypic.com/2cfuwsx.jpg

(I) Comparison in T-S Two cyclic processes are shown in figure 1 (FIGURE P8-1 from the extra section on entropy). The temperatures T1 and T2 are the same in each. The S scale is the same for each (i.e. the same length of line in each graph represents the same change in entropy).

Explanation / Answer

1 (I) Comparison in T-S Two cyclic processes are shown in figure 1 (FIGURE P8-1

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