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Which of the processes described below a...

Which of the processes described below are irreversible ?

A

the increase in temperature of an iron rod by hammering it

B

A gas in a small container at a temperature `T_(1)` is brought in contact with a big reservioir at a higher temperature `T_(2)` which increasses the temperature of the gas

C

An idel gas is enclosed in a piston cylinder arrangement with adiabatic walls

D

All of above

Text Solution

Verified by Experts

The correct Answer is:
D
The process described in (a) ,(b) and (c ) all are ireversible.
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