MPPSC SES Mechanical
MPPSC State Engineering Service (Mechanical) Prelims
ThermodynamicsEnglish
Exam overviewPractice session
A closed system undergoes a process in which it absorbs 80 kJ of heat and performs 30 kJ of work. It is then restored to its initial state through a process in which 20 kJ of heat is rejected. What is the work done on or by the system during the restoration process?
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