The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

The expansion ratio (r) is the ratio of (where v1 = Volume at the begi

1.	The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)
A.	<img src="/_files/images/mechanical-engineering/thermodynamics/243-118-1.png">
B.	<img src="/_files/images/mechanical-engineering/thermodynamics/243-118-2.png">
C.	<img src="/_files/images/mechanical-engineering/thermodynamics/243-118-3.png">
D.	<img src="/_files/images/mechanical-engineering/thermodynamics/243-118-4.png">
Answer» C. <img src="/_files/images/mechanical-engineering/thermodynamics/243-118-3.png">