Question

Under what condition it is possible that heat be abstracted from hot source, as well as cold source and
positive work be done
(a) impossible
(b) hot reservoir is at negative temperature
(c) cold reservoir is at negative temperature
(d) both hot and cold reservoirs are at positive
temperatures
(e) none of the above.​

Answer 1

Answer:

(d) both hot and cold reservoirs are at positive

Explanation:

Answer 2

Answer:

don't know the answer plz keep going on brainly