Basic Mechanical Engineering (3110006)

Question-2c

BE | Semester-1 Summer-2020 | 11-06-2020

Q2) (c)

Thermal efficiency of a reversible engine is,

η_{th, rev} = \frac{Q_{1} - Q_{2}}{Q_{1}} = \frac{T_{1} - T_{2}}{T_{1}}

\frac{Q_{1}}{Q_{2}} = \frac{T_{1}}{T_{2}}

From above expression, the heat transfer from a heat reservoir is proportional to its temperature.