Question

gys,can the efficiency be negetive of heat engine....?​

Answer 1

$\huge\mathfrak\red{Rudeboy}$

(It is negative since work is done by the engine.) ... In the case of an engine, one desires to extract work and puts in a heat transfer. The theoretical maximum efficiency of any heat engine depends only on the temperatures it operates between.

✌Hope it helps u✌

Answer 2

it is negative since the work is done by engine