Question

A heat engine has a cold reservoir of 250°C and a hot reservoir of 715°C. What is the efficiency of the engine

Answer 1

do you have options

Answer 2

65.0%
60.8%
73.6%
58.6%
69.1%

Answer 3

@Hayleymeyer

Answer 4

I thought 47%

Answer 5

Are we to assume a Carnot heat engine?

Answer 6

If so it would be

\[\large efficiency = 1 - \frac{T_c}{T_h}\]

Answer 7

sorry i am done with this question i passed the test tho :D

Answer 8

Great job! This question seemed off anyways...you are supposed to use Kelvin which would lead to the answer @Hayleymeyer gave of 47% however here the answer that they wanted was from using Celsius...

Oh well, anyways...Good job! :D lol

Answer 9

thx for your help everyone :)

Answer 10

opssie