Railways
NTPC (Technical Ability)
Thermodynamics
Question Bank
Thermodynamics
question_answer
\[{{M}_{1}}\] kg of water at \[{{T}_{1}}\] is isobarically and adiabatically mixed with \[{{M}_{2}}\,\,kg\] of water at \[{{T}_{2}}\,({{T}_{1}}>{{T}_{2}}).\] The entropy change of the universe is: