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1 ) A closed system undergoes a series of four reversible processes to complete a cycle, as shown on the P - V diagram P

1)

A closed system undergoes a series of four reversible processes to complete a cycle, as shown on the P

-

V diagram P kPa

300 2 3

=

100 1 3

$ Calculate: a

.

=

. 8

-

.

80 -

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