A control mass gives out 10 kJ of energy in the form of heat transfer at 500°C. Find the change in availability of the control mass.

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1.	A control mass gives out 10 kJ of energy in the form of heat transfer at 500°C. Find the change in availability of the control mass.
A.	−4.14 kJ
B.	−5.14 kJ
C.	−6.14 kJ
D.	−7.14 kJ
Answer» C. −6.14 kJ

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