The efficiency of an ideal heat engine working
between the freezing point and boiling point of water, is
6.25%
20%
26.8%
12.5%
As we have learned
Efficiency of a carnot cycle -
are in kelvin
- wherein
Source temperature
Sink Temperature
Option 1)
6.25%
This is incorrect
Option 2)
20%
This is incorrect
Option 3)
26.8%
This is correct
Option 4)
12.5%
This is incorrect