First slide

Heat engine

Question

The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is

Easy

A

12.5%
B

26.8%
C

6.25 %
D

20%

Solution

$η = \frac{T_{1} - T_{2}}{T_{1}} \times 100 where T_{1} = 373 K, T_{2} = 273 K$
$η = \frac{1000}{373} \times 100 = 26.8 %$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App