300 kJ/s of heat is supplied at constant temperature of 500 k to a heat engine. The heat rejection takes place at 300 K. The following results are obtained (a) 210 kJ (b) 180 kJ
(c) 150 kJ. Identify whether result is a reversible cycle, irreversible cycle or impossible cycle respectively

A

reversible/irreversible/impossible respectively

B

irreversible/ reversible/ impossible respectively

C

irreversible/impossible/reversible respectively.

D

none of the above