Question

One of the most efficient engines ever
developed operated between 2100 K and
700 K. Its actual efficiency is 40%. What
percentage of its maximum possible efficiency
is (approx).
(2) 60%
(3) 75%
(4) 90%
(1) 40%​

Answer 1

Answer:

OPTION D - 40%

I HOPE THIS HELPS YOU

Answer 2

Explanation:

the answer of this is option d