engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Thermodynamics First Law of Thermodynamics
A gas contained in a cylinder is compressed. The work done is 5000 kJ and during this process 2000 kJ heat is lost to the surroundings. The change in internal energy is
1
-7000 kJ
2
-3000 kJ
3
+3000 kJ
4
+7000 kJ