10 J of heat is supplied to a system and a work of 30 J performed on it. If 50 J of heat is removed from the system, which type of system is it?
(a) Steady state
(b) Unsteady state
(c) Closed
(d) None of the mentioned
I got this question during an online interview.
Question is taken from Energy balance for Different type of systems in portion Miscellaneous of Chemical Process Calculation