Which of the process described below are irrevesible? – InterviewSolution

1.	Which of the process described below are irrevesible?
Answer» The increase in temperature of an iron rod by hammering it A gas in a small container at a temperature `T_1` is BROUGHT in contactwith a big reservoir at a higher Temperature. `T_2`which inverses THETEMPERATURE of the gas A quasi - state isothermal expansion of an ideal gas in cylinder fittedwith a frictionless piston An ideal gas is enclosed in a piston cylinder ARRANGEMENT withadiabatic Walls. A weight W is added to the piston, resulting in compression of a gas Answer :A::B::D

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