An insulated cylinder/piston contains R-134a at 1 MPa, 50 C, volume of – McqOptions

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1.	An insulated cylinder/piston contains R-134a at 1 MPa, 50 C, volume of 100 L. The R-134a expands, dropping the pressure in the cylinder to 100 kPa. The R-134a does 190 kJ of work against the piston during this process. Is that possible?
A.	yes
B.	no
C.	cannot be determined
D.	none of the mentioned
Answer» B. no

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