Question

SS
18. When heat is added to a system, which of the
following is not possible ?
1) Internal energy of the system increases
2) Work is done by the system
3) Neither internal energy increases nor work
is done by the system
4) Internal energy increases and also work is
done by the system
​

Answer 1

Constant Volume Processes. If heat is added to the system its internal energy will increase; if heat is removed from the system its internal energy will decrease.