A closed system receives heat at a rate of 2 kW from a source at 1000 K,

Question:

A closed system receives heat at a rate of 2 kW from a source at 1000 K, electrical power at a rate of 2 kW and shaft power at a rate of 2 kW. Determine the net rate of
(a) Energy transfer and
(b) Energy transfer into the system.
(c) What is the maximum possible rate of energy rise in the system?