Answer:
Explanation:
Given
Lower Temperature [tex]T_L=294 \K[/tex]
Higher Temperature [tex]T_H=522 \K[/tex]
Maximum Possible efficiency is achieved when the engine works as carnot Engine
i.e. [tex]\eta _{max}=1-\frac{T_L}{T_H}[/tex]
[tex]\eta_{max}=1-\frac{294}{522}[/tex]
[tex]\eta _{max}=\frac{228}{522}=0.436[/tex]
[tex]\eta _{max}=43.64\ %[/tex]